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675045020 = 2251337471493
BaseRepresentation
bin101000001111000…
…101111010011100
31202001012211200102
4220033011322130
52340302420040
6150552320232
722504534166
oct5017057234
91661184612
10675045020
11317055351
1216a0a3078
13a9b12830
146591d936
153e3e3515
hex283c5e9c

675045020 has 96 divisors (see below), whose sum is σ = 1602332928. Its totient is φ = 237192192.

The previous prime is 675045013. The next prime is 675045029. The reversal of 675045020 is 20540576.

675045020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (675045029) 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, 451394 + ... + 452886.

It is an arithmetic number, because the mean of its divisors is an integer number (16690968).

Almost surely, 2675045020 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 675045020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (801166464).

675045020 is an abundant number, since it is smaller than the sum of its proper divisors (927287908).

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

675045020 is a wasteful number, since it uses less digits than its factorization.

675045020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1599 (or 1597 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 675045020 is about 25981.6285093910. The cubic root of 675045020 is about 877.2248231456.

Adding to 675045020 its reverse (20540576), we get a palindrome (695585596).

The spelling of 675045020 in words is "six hundred seventy-five million, forty-five thousand, twenty".

Divisors: 1 2 4 5 10 13 20 26 37 47 52 65 74 94 130 148 185 188 235 260 370 470 481 611 740 940 962 1222 1493 1739 1924 2405 2444 2986 3055 3478 4810 5972 6110 6956 7465 8695 9620 12220 14930 17390 19409 22607 29860 34780 38818 45214 55241 70171 77636 90428 97045 110482 113035 140342 194090 220964 226070 276205 280684 350855 388180 452140 552410 701710 718133 912223 1104820 1403420 1436266 1824446 2596327 2872532 3590665 3648892 4561115 5192654 7181330 9122230 10385308 12981635 14362660 18244460 25963270 33752251 51926540 67504502 135009004 168761255 337522510 675045020