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3970039818 = 231723316917
BaseRepresentation
bin1110110010100010…
…0000000000001010
3101020200022220210210
43230220200000022
531112312233233
61453535421550
7200244532053
oct35450400012
911220286723
103970039818
111757a90748
129296848b6
134b36618b4
1429939572a
15183808163
hexeca2000a

3970039818 has 48 divisors (see below), whose sum is σ = 8461322784. Its totient is φ = 1241560320.

The previous prime is 3970039817. The next prime is 3970039819. The reversal of 3970039818 is 8189300793.

It is an interprime number because it is at equal distance from previous prime (3970039817) and next prime (3970039819).

It is a super-2 number, since 2×39700398182 = 31522432313010946248, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3970039817) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 570496 + ... + 577412.

It is an arithmetic number, because the mean of its divisors is an integer number (176277558).

Almost surely, 23970039818 is an apocalyptic number.

3970039818 is an abundant number, since it is smaller than the sum of its proper divisors (4491282966).

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

3970039818 is a wasteful number, since it uses less digits than its factorization.

3970039818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7287 (or 7270 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 48.

The square root of 3970039818 is about 63008.2519833712. The cubic root of 3970039818 is about 1583.4278802809.

The spelling of 3970039818 in words is "three billion, nine hundred seventy million, thirty-nine thousand, eight hundred eighteen".

Divisors: 1 2 3 6 17 34 51 102 289 331 578 662 867 993 1734 1986 5627 6917 11254 13834 16881 20751 33762 41502 95659 117589 191318 235178 286977 352767 573954 705534 1999013 2289527 3998026 4579054 5997039 6868581 11994078 13737162 38921959 77843918 116765877 233531754 661673303 1323346606 1985019909 3970039818