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3869371974 = 231349607333
BaseRepresentation
bin1110011010100001…
…1110111001000110
3100222122220110111010
43212220132321012
530411024400344
61435542023050
7164613055566
oct34650367106
910878813433
103869371974
111706183486
128bba17a86
13498846120
14289c6cda6
15179a708b9
hexe6a1ee46

3869371974 has 16 divisors (see below), whose sum is σ = 8334032112. Its totient is φ = 1190575968.

The previous prime is 3869371973. The next prime is 3869371993. The reversal of 3869371974 is 4791739683.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3869371973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24803589 + ... + 24803744.

It is an arithmetic number, because the mean of its divisors is an integer number (520877007).

Almost surely, 23869371974 is an apocalyptic number.

3869371974 is an abundant number, since it is smaller than the sum of its proper divisors (4464660138).

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

3869371974 is a wasteful number, since it uses less digits than its factorization.

3869371974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49607351.

The product of its digits is 6858432, while the sum is 57.

The square root of 3869371974 is about 62204.2761713373. The cubic root of 3869371974 is about 1569.9295374546.

The spelling of 3869371974 in words is "three billion, eight hundred sixty-nine million, three hundred seventy-one thousand, nine hundred seventy-four".

Divisors: 1 2 3 6 13 26 39 78 49607333 99214666 148821999 297643998 644895329 1289790658 1934685987 3869371974