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3974972372 = 227619922901
BaseRepresentation
bin1110110011101101…
…0100001111010100
3101021000121111222222
43230323110033110
531120043103442
61454233241512
7200334464510
oct35473241724
911230544888
103974972372
11175a84a638
1292b263298
134b469aa77
14299cbb140
15183e7e8d2
hexeced43d4

3974972372 has 24 divisors (see below), whose sum is σ = 7951574400. Its totient is φ = 1703210400.

The previous prime is 3974972371. The next prime is 3974972423. The reversal of 3974972372 is 2732794793.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3974972371) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 162122 + ... + 185022.

It is an arithmetic number, because the mean of its divisors is an integer number (331315600).

Almost surely, 23974972372 is an apocalyptic number.

It is an amenable number.

3974972372 is an abundant number, since it is smaller than the sum of its proper divisors (3976602028).

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

3974972372 is a wasteful number, since it uses less digits than its factorization.

3974972372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29111 (or 29109 counting only the distinct ones).

The product of its digits is 4000752, while the sum is 53.

The square root of 3974972372 is about 63047.3819599196. The cubic root of 3974972372 is about 1584.0833826162.

The spelling of 3974972372 in words is "three billion, nine hundred seventy-four million, nine hundred seventy-two thousand, three hundred seventy-two".

Divisors: 1 2 4 7 14 28 6199 12398 22901 24796 43393 45802 86786 91604 160307 173572 320614 641228 141963299 283926598 567853196 993743093 1987486186 3974972372