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133157022 = 23176121401
BaseRepresentation
bin1111110111111…
…01000010011110
3100021120002002120
413323331002132
5233042011042
621114003410
73204546615
oct773750236
9307502076
10133157022
1169188929
1238716566
132178274b
141398287c
15ba53dec
hex7efd09e

133157022 has 32 divisors (see below), whose sum is σ = 286615584. Its totient is φ = 41088000.

The previous prime is 133156999. The next prime is 133157023. The reversal of 133157022 is 220751331.

It is a junction number, because it is equal to n+sod(n) for n = 133156983 and 133157001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133157023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4479 + ... + 16922.

It is an arithmetic number, because the mean of its divisors is an integer number (8956737).

Almost surely, 2133157022 is an apocalyptic number.

133157022 is an abundant number, since it is smaller than the sum of its proper divisors (153458562).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

133157022 is a wasteful number, since it uses less digits than its factorization.

133157022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21484.

The product of its (nonzero) digits is 1260, while the sum is 24.

The square root of 133157022 is about 11539.3683535972. The cubic root of 133157022 is about 510.6476738712.

The spelling of 133157022 in words is "one hundred thirty-three million, one hundred fifty-seven thousand, twenty-two".

Divisors: 1 2 3 6 17 34 51 61 102 122 183 366 1037 2074 3111 6222 21401 42802 64203 128406 363817 727634 1091451 1305461 2182902 2610922 3916383 7832766 22192837 44385674 66578511 133157022