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142901032 = 2341574297
BaseRepresentation
bin10001000010001…
…11111100101000
3100221220010100211
420201013330220
5243040313112
622102510504
73353432041
oct1041077450
9327803324
10142901032
117373372a
123ba35434
13237b4931
1414d9b8c8
15c82b0a7
hex8847f28

142901032 has 16 divisors (see below), whose sum is σ = 268066260. Its totient is φ = 71416704.

The previous prime is 142901023. The next prime is 142901039. The reversal of 142901032 is 230109241.

It can be written as a sum of positive squares in 2 ways, for example, as 142898116 + 2916 = 11954^2 + 54^2 .

It is a junction number, because it is equal to n+sod(n) for n = 142900994 and 142901012.

It is not an unprimeable number, because it can be changed into a prime (142901039) 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, 31108 + ... + 35404.

Almost surely, 2142901032 is an apocalyptic number.

It is an amenable number.

142901032 is a deficient number, since it is larger than the sum of its proper divisors (125165228).

142901032 is a wasteful number, since it uses less digits than its factorization.

142901032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8460 (or 8456 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 142901032 is about 11954.1219669200. The cubic root of 142901032 is about 522.8114876903.

The spelling of 142901032 in words is "one hundred forty-two million, nine hundred one thousand, thirty-two".

Divisors: 1 2 4 8 4157 4297 8314 8594 16628 17188 33256 34376 17862629 35725258 71450516 142901032