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3690853938 = 23422783049
BaseRepresentation
bin1101101111111101…
…1111011000110010
3100112012222210210000
43123333133120302
530024324311223
61410123450430
7160314512052
oct33377373062
910465883700
103690853938
111624433212
12870086a16
1346a870955
1427027d562
1516905b543
hexdbfdf632

3690853938 has 20 divisors (see below), whose sum is σ = 8270247150. Its totient is φ = 1230284592.

The previous prime is 3690853921. The next prime is 3690853951. The reversal of 3690853938 is 8393580963.

It can be written as a sum of positive squares in only one way, i.e., 3676360689 + 14493249 = 60633^2 + 3807^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 11391363 + ... + 11391686.

Almost surely, 23690853938 is an apocalyptic number.

3690853938 is an abundant number, since it is smaller than the sum of its proper divisors (4579393212).

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

3690853938 is a wasteful number, since it uses less digits than its factorization.

3690853938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22783063 (or 22783054 counting only the distinct ones).

The product of its (nonzero) digits is 4199040, while the sum is 54.

The square root of 3690853938 is about 60752.3986193138. The cubic root of 3690853938 is about 1545.4049047155.

The spelling of 3690853938 in words is "three billion, six hundred ninety million, eight hundred fifty-three thousand, nine hundred thirty-eight".

Divisors: 1 2 3 6 9 18 27 54 81 162 22783049 45566098 68349147 136698294 205047441 410094882 615142323 1230284646 1845426969 3690853938