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1157429 = 72132379
BaseRepresentation
bin100011010100100110101
32011210200202
410122210311
5244014204
640450245
712560300
oct4324465
92153622
101157429
11720659
12479985
13316a90
14221b37
1517ce1e
hex11a935

1157429 has 24 divisors (see below), whose sum is σ = 1532160. Its totient is φ = 864864.

The previous prime is 1157413. The next prime is 1157437. The reversal of 1157429 is 9247511.

It is not a de Polignac number, because 1157429 - 24 = 1157413 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1157449) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14612 + ... + 14690.

It is an arithmetic number, because the mean of its divisors is an integer number (63840).

21157429 is an apocalyptic number.

It is an amenable number.

1157429 is a deficient number, since it is larger than the sum of its proper divisors (374731).

1157429 is a wasteful number, since it uses less digits than its factorization.

1157429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129 (or 122 counting only the distinct ones).

The product of its digits is 2520, while the sum is 29.

The square root of 1157429 is about 1075.8387425632. The cubic root of 1157429 is about 104.9940737396.

The spelling of 1157429 in words is "one million, one hundred fifty-seven thousand, four hundred twenty-nine".

Divisors: 1 7 13 23 49 79 91 161 299 553 637 1027 1127 1817 2093 3871 7189 12719 14651 23621 50323 89033 165347 1157429