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142488160 = 255890551
BaseRepresentation
bin10000111111000…
…11001001100000
3100221010011000021
420133203021200
5242434110120
622050003224
73350062243
oct1037431140
9327104007
10142488160
1173481511
123b876514
132369ba29
1414cd125a
15c798aaa
hex87e3260

142488160 has 24 divisors (see below), whose sum is σ = 336628656. Its totient is φ = 56995200.

The previous prime is 142488149. The next prime is 142488167. The reversal of 142488160 is 61884241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142488167) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 445116 + ... + 445435.

It is an arithmetic number, because the mean of its divisors is an integer number (14026194).

Almost surely, 2142488160 is an apocalyptic number.

142488160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142488160 is an abundant number, since it is smaller than the sum of its proper divisors (194140496).

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

142488160 is an equidigital number, since it uses as much as digits as its factorization.

142488160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 890566 (or 890558 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 34.

The square root of 142488160 is about 11936.8404529842. The cubic root of 142488160 is about 522.3074968303.

The spelling of 142488160 in words is "one hundred forty-two million, four hundred eighty-eight thousand, one hundred sixty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 890551 1781102 3562204 4452755 7124408 8905510 14248816 17811020 28497632 35622040 71244080 142488160