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142151552 = 271765327
BaseRepresentation
bin10000111100100…
…00111110000000
3100220111001021022
420132100332000
5242342322202
622034445012
73344161004
oct1036207600
9326431238
10142151552
1173271624
123b733768
13235b175a
1414c44704
15c72dea2
hex8790f80

142151552 has 32 divisors (see below), whose sum is σ = 299855520. Its totient is φ = 66893824.

The previous prime is 142151549. The next prime is 142151609. The reversal of 142151552 is 255151241.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30488 + ... + 34839.

It is an arithmetic number, because the mean of its divisors is an integer number (9370485).

Almost surely, 2142151552 is an apocalyptic number.

It is an amenable number.

142151552 is an abundant number, since it is smaller than the sum of its proper divisors (157703968).

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

142151552 is an equidigital number, since it uses as much as digits as its factorization.

142151552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65358 (or 65346 counting only the distinct ones).

The product of its digits is 2000, while the sum is 26.

The square root of 142151552 is about 11922.7325726949. The cubic root of 142151552 is about 521.8958801547.

The spelling of 142151552 in words is "one hundred forty-two million, one hundred fifty-one thousand, five hundred fifty-two".

Divisors: 1 2 4 8 16 17 32 34 64 68 128 136 272 544 1088 2176 65327 130654 261308 522616 1045232 1110559 2090464 2221118 4180928 4442236 8361856 8884472 17768944 35537888 71075776 142151552