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133142632 = 2378772711
BaseRepresentation
bin1111110111110…
…01100001101000
3100021112100100121
413323321201220
5233041031012
621113413024
73204456640
oct773714150
9307470317
10133142632
1169179037
123870a174
132177902c
141397b520
15ba4ea07
hex7ef9868

133142632 has 32 divisors (see below), whose sum is σ = 285736320. Its totient is φ = 56975040.

The previous prime is 133142627. The next prime is 133142701. The reversal of 133142632 is 236241331.

It is a junction number, because it is equal to n+sod(n) for n = 133142597 and 133142606.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47757 + ... + 50467.

It is an arithmetic number, because the mean of its divisors is an integer number (8929260).

Almost surely, 2133142632 is an apocalyptic number.

It is an amenable number.

133142632 is an abundant number, since it is smaller than the sum of its proper divisors (152593688).

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

133142632 is a wasteful number, since it uses less digits than its factorization.

133142632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3601 (or 3597 counting only the distinct ones).

The product of its digits is 2592, while the sum is 25.

The square root of 133142632 is about 11538.7448190867. The cubic root of 133142632 is about 510.6292783343.

Adding to 133142632 its reverse (236241331), we get a palindrome (369383963).

The spelling of 133142632 in words is "one hundred thirty-three million, one hundred forty-two thousand, six hundred thirty-two".

Divisors: 1 2 4 7 8 14 28 56 877 1754 2711 3508 5422 6139 7016 10844 12278 18977 21688 24556 37954 49112 75908 151816 2377547 4755094 9510188 16642829 19020376 33285658 66571316 133142632