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32133157 = 74590451
BaseRepresentation
bin111101010010…
…1000000100101
32020110112101221
41322211000211
531211230112
63104420341
7540061450
oct172450045
966415357
1032133157
1117158131
12a9176b1
136870c04
1443a6497
152c4ae07
hex1ea5025

32133157 has 4 divisors (see below), whose sum is σ = 36723616. Its totient is φ = 27542700.

The previous prime is 32133113. The next prime is 32133173. The reversal of 32133157 is 75133123.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 32133157 - 27 = 32133029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32133197) 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 3 ways as a sum of consecutive naturals, for example, 2295219 + ... + 2295232.

It is an arithmetic number, because the mean of its divisors is an integer number (9180904).

Almost surely, 232133157 is an apocalyptic number.

It is an amenable number.

32133157 is a deficient number, since it is larger than the sum of its proper divisors (4590459).

32133157 is an equidigital number, since it uses as much as digits as its factorization.

32133157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4590458.

The product of its digits is 1890, while the sum is 25.

The square root of 32133157 is about 5668.6115583977. The cubic root of 32133157 is about 317.9199625846.

The spelling of 32133157 in words is "thirty-two million, one hundred thirty-three thousand, one hundred fifty-seven".

Divisors: 1 7 4590451 32133157