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142664967 = 32149191557
BaseRepresentation
bin10001000000011…
…10010100000111
3100221110010112200
420200032110013
5243010234332
622053445543
73351426564
oct1040162407
9327403480
10142664967
1173592335
123b9408b3
1323731353
1414d3986b
15c7d117c
hex880e507

142664967 has 24 divisors (see below), whose sum is σ = 208915200. Its totient is φ = 93808320.

The previous prime is 142664947. The next prime is 142664983. The reversal of 142664967 is 769466241.

It is not a de Polignac number, because 142664967 - 210 = 142663943 is a prime.

It is a super-2 number, since 2×1426649672 = 40706585618222178, which contains 22 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142664917) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 255853 + ... + 256409.

It is an arithmetic number, because the mean of its divisors is an integer number (8704800).

Almost surely, 2142664967 is an apocalyptic number.

142664967 is a deficient number, since it is larger than the sum of its proper divisors (66250233).

142664967 is a wasteful number, since it uses less digits than its factorization.

142664967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 903 (or 900 counting only the distinct ones).

The product of its digits is 435456, while the sum is 45.

The square root of 142664967 is about 11944.2440949606. The cubic root of 142664967 is about 522.5234433137.

The spelling of 142664967 in words is "one hundred forty-two million, six hundred sixty-four thousand, nine hundred sixty-seven".

Divisors: 1 3 9 149 191 447 557 573 1341 1671 1719 5013 28459 82993 85377 106387 248979 256131 319161 746937 957483 15851663 47554989 142664967