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3934431 = 32437159
BaseRepresentation
bin1111000000100011011111
321101220000200
433000203133
52001400211
6220154543
745304434
oct17004337
97356020
103934431
112247aa6
121398a53
13a79a87
14745b8b
1552ab56
hex3c08df

3934431 has 6 divisors (see below), whose sum is σ = 5683080. Its totient is φ = 2622948.

The previous prime is 3934421. The next prime is 3934433. The reversal of 3934431 is 1344393.

It is not a de Polignac number, because 3934431 - 26 = 3934367 is a prime.

It is a super-2 number, since 2×39344312 = 30959494587522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3934395 and 3934404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3934433) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 218571 + ... + 218588.

It is an arithmetic number, because the mean of its divisors is an integer number (947180).

Almost surely, 23934431 is an apocalyptic number.

3934431 is a deficient number, since it is larger than the sum of its proper divisors (1748649).

3934431 is a wasteful number, since it uses less digits than its factorization.

3934431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437165 (or 437162 counting only the distinct ones).

The product of its digits is 3888, while the sum is 27.

The square root of 3934431 is about 1983.5400172419. The cubic root of 3934431 is about 157.8679530183.

The spelling of 3934431 in words is "three million, nine hundred thirty-four thousand, four hundred thirty-one".

Divisors: 1 3 9 437159 1311477 3934431