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3157429 = 112391201
BaseRepresentation
bin1100000010110110110101
312221102011211
430002312311
51302014204
6151401421
735560222
oct14026665
95842154
103157429
111867250
121083271
13867202
145c2949
15425804
hex302db5

3157429 has 8 divisors (see below), whose sum is σ = 3461760. Its totient is φ = 2856000.

The previous prime is 3157411. The next prime is 3157471. The reversal of 3157429 is 9247513.

3157429 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3157429 - 25 = 3157397 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3157429.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3157489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2029 + ... + 3229.

It is an arithmetic number, because the mean of its divisors is an integer number (432720).

Almost surely, 23157429 is an apocalyptic number.

It is an amenable number.

3157429 is a deficient number, since it is larger than the sum of its proper divisors (304331).

3157429 is a wasteful number, since it uses less digits than its factorization.

3157429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1451.

The product of its digits is 7560, while the sum is 31.

The square root of 3157429 is about 1776.9155860648. The cubic root of 3157429 is about 146.7048700985.

It can be divided in two parts, 315 and 7429, that added together give a square (7744 = 882).

The spelling of 3157429 in words is "three million, one hundred fifty-seven thousand, four hundred twenty-nine".

Divisors: 1 11 239 1201 2629 13211 287039 3157429