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142051542 = 23231029359
BaseRepresentation
bin10000111011110…
…00100011010110
3100220021222002020
420131320203112
5242331122132
622032354010
73343263303
oct1035704326
9326258066
10142051542
1173203476
123b6a5906
1323578089
1414c1a0aa
15c70e52c
hex87788d6

142051542 has 16 divisors (see below), whose sum is σ = 296455680. Its totient is φ = 45291752.

The previous prime is 142051537. The next prime is 142051561. The reversal of 142051542 is 245150241.

142051542 is digitally balanced in base 2, 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 polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 514542 + ... + 514817.

It is an arithmetic number, because the mean of its divisors is an integer number (18528480).

Almost surely, 2142051542 is an apocalyptic number.

142051542 is an abundant number, since it is smaller than the sum of its proper divisors (154404138).

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

142051542 is a wasteful number, since it uses less digits than its factorization.

142051542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1029387.

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 142051542 is about 11918.5377458814. The cubic root of 142051542 is about 521.7734590450.

The spelling of 142051542 in words is "one hundred forty-two million, fifty-one thousand, five hundred forty-two".

Divisors: 1 2 3 6 23 46 69 138 1029359 2058718 3088077 6176154 23675257 47350514 71025771 142051542