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142557368 = 2317819671
BaseRepresentation
bin10000111111101…
…00000010111000
3100221020122221112
420133310002320
5242443313433
622051255452
73350501102
oct1037640270
9327218845
10142557368
1173519508
123b8aa588
13236c4395
1414d0c572
15c7ae348
hex87f40b8

142557368 has 8 divisors (see below), whose sum is σ = 267295080. Its totient is φ = 71278680.

The previous prime is 142557367. The next prime is 142557377. The reversal of 142557368 is 863755241.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142557367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8909828 + ... + 8909843.

It is an arithmetic number, because the mean of its divisors is an integer number (33411885).

Almost surely, 2142557368 is an apocalyptic number.

It is an amenable number.

142557368 is a deficient number, since it is larger than the sum of its proper divisors (124737712).

142557368 is a wasteful number, since it uses less digits than its factorization.

142557368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17819677 (or 17819673 counting only the distinct ones).

The product of its digits is 201600, while the sum is 41.

The square root of 142557368 is about 11939.7390256236. The cubic root of 142557368 is about 522.3920465602.

The spelling of 142557368 in words is "one hundred forty-two million, five hundred fifty-seven thousand, three hundred sixty-eight".

Divisors: 1 2 4 8 17819671 35639342 71278684 142557368