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3950031 = 31316677
BaseRepresentation
bin1111000100010111001111
321102200102110
433010113033
52002400111
6220355103
745401061
oct17042717
97380373
103950031
112258798
1213a5a93
13a83bc7
1474b731
155305a6
hex3c45cf

3950031 has 4 divisors (see below), whose sum is σ = 5266712. Its totient is φ = 2633352.

The previous prime is 3950029. The next prime is 3950033. The reversal of 3950031 is 1300593.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (3950029) and next prime (3950033).

It is not a de Polignac number, because 3950031 - 21 = 3950029 is a prime.

It is a super-2 number, since 2×39500312 = 31205489801922, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3950033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 658336 + ... + 658341.

It is an arithmetic number, because the mean of its divisors is an integer number (1316678).

Almost surely, 23950031 is an apocalyptic number.

3950031 is a deficient number, since it is larger than the sum of its proper divisors (1316681).

3950031 is a wasteful number, since it uses less digits than its factorization.

3950031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1316680.

The product of its (nonzero) digits is 405, while the sum is 21.

The square root of 3950031 is about 1987.4684903163. The cubic root of 3950031 is about 158.0763264189.

The spelling of 3950031 in words is "three million, nine hundred fifty thousand, thirty-one".

Divisors: 1 3 1316677 3950031