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142461572 = 221129971151
BaseRepresentation
bin10000111110111…
…00101010000100
3100221001210112112
420133130222010
5242432232242
622045240152
73346621601
oct1037345204
9327053475
10142461572
1173463540
123b863058
132368c8b6
1414cc56a8
15c790c82
hex87dca84

142461572 has 48 divisors (see below), whose sum is σ = 284497920. Its totient is φ = 61824000.

The previous prime is 142461551. The next prime is 142461589. The reversal of 142461572 is 275164241.

It is a super-2 number, since 2×1424615722 = 40590598993422368, which contains 22 as substring.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 123197 + ... + 124347.

It is an arithmetic number, because the mean of its divisors is an integer number (5927040).

Almost surely, 2142461572 is an apocalyptic number.

It is an amenable number.

142461572 is a deficient number, since it is larger than the sum of its proper divisors (142036348).

142461572 is a wasteful number, since it uses less digits than its factorization.

142461572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1292 (or 1290 counting only the distinct ones).

The product of its digits is 13440, while the sum is 32.

The square root of 142461572 is about 11935.7267059865. The cubic root of 142461572 is about 522.2750076382.

The spelling of 142461572 in words is "one hundred forty-two million, four hundred sixty-one thousand, five hundred seventy-two".

Divisors: 1 2 4 11 22 29 44 58 97 116 194 319 388 638 1067 1151 1276 2134 2302 2813 4268 4604 5626 11252 12661 25322 30943 33379 50644 61886 66758 111647 123772 133516 223294 367169 446588 734338 1228117 1468676 2456234 3237763 4912468 6475526 12951052 35615393 71230786 142461572