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142561060 = 22514814813
BaseRepresentation
bin10000111111101…
…00111100100100
3100221020212000021
420133310330210
5242443423220
622051324524
73350514625
oct1037647444
9327225007
10142561060
1173521264
123b8b0744
13236c5c75
1414d0da4c
15c7b04aa
hex87f4f24

142561060 has 24 divisors (see below), whose sum is σ = 299642616. Its totient is φ = 56974080.

The previous prime is 142561057. The next prime is 142561073. The reversal of 142561060 is 60165241.

It can be written as a sum of positive squares in 4 ways, for example, as 23270976 + 119290084 = 4824^2 + 10922^2 .

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, 27214 + ... + 32026.

It is an arithmetic number, because the mean of its divisors is an integer number (12485109).

Almost surely, 2142561060 is an apocalyptic number.

142561060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142561060 is an abundant number, since it is smaller than the sum of its proper divisors (157081556).

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

142561060 is a wasteful number, since it uses less digits than its factorization.

142561060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6303 (or 6301 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 142561060 is about 11939.8936343671. The cubic root of 142561060 is about 522.3965562179.

The spelling of 142561060 in words is "one hundred forty-two million, five hundred sixty-one thousand, sixty".

Divisors: 1 2 4 5 10 20 1481 2962 4813 5924 7405 9626 14810 19252 24065 29620 48130 96260 7128053 14256106 28512212 35640265 71280530 142561060