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3540030020 = 2251728336791
BaseRepresentation
bin1101001100000000…
…1001001001000100
3100010201012011020222
43103000021021010
524222221430040
61343135043512
7153503521142
oct32300111104
910121164228
103540030020
111557288a4a
12829670598
13445543a27
1425821c592
1515abb7bb5
hexd3009244

3540030020 has 48 divisors (see below), whose sum is σ = 7899389568. Its totient is φ = 1327971840.

The previous prime is 3540030017. The next prime is 3540030041. The reversal of 3540030020 is 200300453.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77825 + ... + 114615.

It is an arithmetic number, because the mean of its divisors is an integer number (164570616).

Almost surely, 23540030020 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 3540030020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3949694784).

3540030020 is an abundant number, since it is smaller than the sum of its proper divisors (4359359548).

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

3540030020 is a wasteful number, since it uses less digits than its factorization.

3540030020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37100 (or 37098 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 17.

The square root of 3540030020 is about 59498.1513998544. The cubic root of 3540030020 is about 1524.0608776714.

Adding to 3540030020 its reverse (200300453), we get a palindrome (3740330473).

The spelling of 3540030020 in words is "three billion, five hundred forty million, thirty thousand, twenty".

Divisors: 1 2 4 5 10 17 20 34 68 85 170 283 340 566 1132 1415 2830 4811 5660 9622 19244 24055 36791 48110 73582 96220 147164 183955 367910 625447 735820 1250894 2501788 3127235 6254470 10411853 12508940 20823706 41647412 52059265 104118530 177001501 208237060 354003002 708006004 885007505 1770015010 3540030020