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142906656 = 2535328087
BaseRepresentation
bin10001000010010…
…01010100100000
3100221220102002010
420201021110200
5243041003111
622102552520
73353454324
oct1041112440
9327812063
10142906656
1173737982
123ba38740
13237b7369
1414d9d984
15c82caa6
hex8849520

142906656 has 48 divisors (see below), whose sum is σ = 382221504. Its totient is φ = 46735104.

The previous prime is 142906637. The next prime is 142906663. The reversal of 142906656 is 656609241.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

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, 8956 + ... + 19131.

It is an arithmetic number, because the mean of its divisors is an integer number (7962948).

Almost surely, 2142906656 is an apocalyptic number.

142906656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

142906656 is an abundant number, since it is smaller than the sum of its proper divisors (239314848).

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

142906656 is a wasteful number, since it uses less digits than its factorization.

142906656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28153 (or 28145 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 39.

The square root of 142906656 is about 11954.3571972733. The cubic root of 142906656 is about 522.8183461741.

The spelling of 142906656 in words is "one hundred forty-two million, nine hundred six thousand, six hundred fifty-six".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 53 96 106 159 212 318 424 636 848 1272 1696 2544 5088 28087 56174 84261 112348 168522 224696 337044 449392 674088 898784 1348176 1488611 2696352 2977222 4465833 5954444 8931666 11908888 17863332 23817776 35726664 47635552 71453328 142906656