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142064860 = 22571014749
BaseRepresentation
bin10000111011110…
…11110011011100
3100220022122100111
420131323303130
5242332033420
622032535404
73343350160
oct1035736334
9326278314
10142064860
1173212483
123b6b1564
1323581162
1414c20ca0
15c71345a
hex877bcdc

142064860 has 24 divisors (see below), whose sum is σ = 340956000. Its totient is φ = 48707904.

The previous prime is 142064849. The next prime is 142064893. The reversal of 142064860 is 68460241.

142064860 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 507235 + ... + 507514.

It is an arithmetic number, because the mean of its divisors is an integer number (14206500).

Almost surely, 2142064860 is an apocalyptic number.

142064860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142064860 is an abundant number, since it is smaller than the sum of its proper divisors (198891140).

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

142064860 is a wasteful number, since it uses less digits than its factorization.

142064860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1014765 (or 1014763 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 142064860 is about 11919.0964422644. The cubic root of 142064860 is about 521.7897647738.

The spelling of 142064860 in words is "one hundred forty-two million, sixty-four thousand, eight hundred sixty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 1014749 2029498 4058996 5073745 7103243 10147490 14206486 20294980 28412972 35516215 71032430 142064860