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142012632 = 23326921997
BaseRepresentation
bin10000111011011…
…11000011011000
3100220012222201010
420131233003120
5242323401012
622031453520
73343041666
oct1035570330
9326188633
10142012632
1173187213
123b6872a0
1323563458
1414c09c36
15c702c3c
hex876f0d8

142012632 has 32 divisors (see below), whose sum is σ = 356367600. Its totient is φ = 47159424.

The previous prime is 142012627. The next prime is 142012639. The reversal of 142012632 is 236210241.

142012632 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 142012599 and 142012608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142012639) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4543 + ... + 17454.

Almost surely, 2142012632 is an apocalyptic number.

142012632 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

142012632 is an abundant number, since it is smaller than the sum of its proper divisors (214354968).

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

142012632 is a wasteful number, since it uses less digits than its factorization.

142012632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22275 (or 22271 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 142012632 is about 11916.9053029719. The cubic root of 142012632 is about 521.7258142278.

Adding to 142012632 its reverse (236210241), we get a palindrome (378222873).

The spelling of 142012632 in words is "one hundred forty-two million, twelve thousand, six hundred thirty-two".

Divisors: 1 2 3 4 6 8 12 24 269 538 807 1076 1614 2152 3228 6456 21997 43994 65991 87988 131982 175976 263964 527928 5917193 11834386 17751579 23668772 35503158 47337544 71006316 142012632