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3555230140 = 2257113476653
BaseRepresentation
bin1101001111101000…
…1000000110111100
3100011202210101220101
43103322020012330
524240114331030
61344440530444
7154046646310
oct32372100674
910152711811
103555230140
111564920030
12832780a24
13448736497
1425a257b40
1515c1bb7ca
hexd3e881bc

3555230140 has 96 divisors (see below), whose sum is σ = 9336466944. Its totient is φ = 1104764160.

The previous prime is 3555230131. The next prime is 3555230141. The reversal of 3555230140 is 410325553.

3555230140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×35552301402 = 25279322696728839200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 3555230099 and 3555230108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3555230141) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 531054 + ... + 537706.

It is an arithmetic number, because the mean of its divisors is an integer number (97254864).

Almost surely, 23555230140 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3555230140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4668233472).

3555230140 is an abundant number, since it is smaller than the sum of its proper divisors (5781236804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3555230140 is a wasteful number, since it uses less digits than its factorization.

3555230140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7027 (or 7025 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 28.

The square root of 3555230140 is about 59625.7506451701. The cubic root of 3555230140 is about 1526.2390918395.

Adding to 3555230140 its reverse (410325553), we get a palindrome (3965555693).

The spelling of 3555230140 in words is "three billion, five hundred fifty-five million, two hundred thirty thousand, one hundred forty".

Divisors: 1 2 4 5 7 10 11 14 20 22 28 35 44 55 70 77 110 140 154 220 308 347 385 694 770 1388 1540 1735 2429 3470 3817 4858 6653 6940 7634 9716 12145 13306 15268 19085 24290 26612 26719 33265 38170 46571 48580 53438 66530 73183 76340 93142 106876 133060 133595 146366 186284 232855 267190 292732 365915 465710 512281 534380 731830 931420 1024562 1463660 2049124 2308591 2561405 4617182 5122810 9234364 10245620 11542955 16160137 23085910 25394501 32320274 46171820 50789002 64640548 80800685 101578004 126972505 161601370 177761507 253945010 323202740 355523014 507890020 711046028 888807535 1777615070 3555230140