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142620895 = 543719343
BaseRepresentation
bin10001000000000…
…11100011011111
3100221100220002101
420200003203133
5243002332040
622052505531
73351154234
oct1040034337
9327326071
10142620895
117356220a
123b91b2a7
1323717281
1414d2778b
15c7c309a
hex88038df

142620895 has 16 divisors (see below), whose sum is σ = 177610752. Its totient is φ = 109861920.

The previous prime is 142620883. The next prime is 142620923. The reversal of 142620895 is 598026241.

It is not a de Polignac number, because 142620895 - 27 = 142620767 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10594 + ... + 19936.

It is an arithmetic number, because the mean of its divisors is an integer number (11100672).

Almost surely, 2142620895 is an apocalyptic number.

142620895 is a deficient number, since it is larger than the sum of its proper divisors (34989857).

142620895 is an equidigital number, since it uses as much as digits as its factorization.

142620895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9462.

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 142620895 is about 11942.3990470927. The cubic root of 142620895 is about 522.4696318667.

The spelling of 142620895 in words is "one hundred forty-two million, six hundred twenty thousand, eight hundred ninety-five".

Divisors: 1 5 43 71 215 355 3053 9343 15265 46715 401749 663353 2008745 3316765 28524179 142620895