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142985265 = 359532351
BaseRepresentation
bin10001000010111…
…00100000110001
3100222001101220120
420201130200301
5243101012030
622104400453
73354232443
oct1041344061
9328041816
10142985265
1173790a45
123ba76129
1323814087
1414dc0493
15c846010
hex885c831

142985265 has 8 divisors (see below), whose sum is σ = 228776448. Its totient is φ = 76258800.

The previous prime is 142985251. The next prime is 142985329. The reversal of 142985265 is 562589241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 142985265 - 26 = 142985201 is a prime.

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, 4766161 + ... + 4766190.

It is an arithmetic number, because the mean of its divisors is an integer number (28597056).

Almost surely, 2142985265 is an apocalyptic number.

142985265 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

142985265 is a deficient number, since it is larger than the sum of its proper divisors (85791183).

142985265 is an equidigital number, since it uses as much as digits as its factorization.

142985265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9532359.

The product of its digits is 172800, while the sum is 42.

The square root of 142985265 is about 11957.6446259286. The cubic root of 142985265 is about 522.9141912410.

The spelling of 142985265 in words is "one hundred forty-two million, nine hundred eighty-five thousand, two hundred sixty-five".

Divisors: 1 3 5 15 9532351 28597053 47661755 142985265