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3982131 = 321721531
BaseRepresentation
bin1111001100001100110011
321111022110100
433030030303
52004412011
6221203443
745563466
oct17141463
97438410
103982131
11227a91a
121400583
13a956ba
147592dd
15539d56
hex3cc333

3982131 has 18 divisors (see below), whose sum is σ = 6114212. Its totient is φ = 2496960.

The previous prime is 3982129. The next prime is 3982157. The reversal of 3982131 is 1312893.

It is not a de Polignac number, because 3982131 - 21 = 3982129 is a prime.

It is a super-2 number, since 2×39821312 = 31714734602322, which contains 22 as substring.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 3982095 and 3982104.

It is not an unprimeable number, because it can be changed into a prime (3982171) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1836 + ... + 3366.

Almost surely, 23982131 is an apocalyptic number.

3982131 is a deficient number, since it is larger than the sum of its proper divisors (2132081).

3982131 is a wasteful number, since it uses less digits than its factorization.

3982131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1571 (or 1551 counting only the distinct ones).

The product of its digits is 1296, while the sum is 27.

The square root of 3982131 is about 1995.5277497444. The cubic root of 3982131 is about 158.5033750903.

The spelling of 3982131 in words is "three million, nine hundred eighty-two thousand, one hundred thirty-one".

Divisors: 1 3 9 17 51 153 289 867 1531 2601 4593 13779 26027 78081 234243 442459 1327377 3982131