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141257742 = 23191239103
BaseRepresentation
bin10000110101101…
…10110000001110
3100211210122012020
420122312300032
5242130221432
622003351010
73333446103
oct1032666016
9324718166
10141257742
117281103a
123b382466
132335a982
1414a90aaa
15c60422c
hex86b6c0e

141257742 has 16 divisors (see below), whose sum is σ = 297384960. Its totient is φ = 44607672.

The previous prime is 141257729. The next prime is 141257747. The reversal of 141257742 is 247752141.

141257742 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 not an unprimeable number, because it can be changed into a prime (141257747) 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 in 7 ways as a sum of consecutive naturals, for example, 619438 + ... + 619665.

It is an arithmetic number, because the mean of its divisors is an integer number (18586560).

Almost surely, 2141257742 is an apocalyptic number.

141257742 is an abundant number, since it is smaller than the sum of its proper divisors (156127218).

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

141257742 is a wasteful number, since it uses less digits than its factorization.

141257742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1239127.

The product of its digits is 15680, while the sum is 33.

The square root of 141257742 is about 11885.1900279297. The cubic root of 141257742 is about 520.7997334243.

The spelling of 141257742 in words is "one hundred forty-one million, two hundred fifty-seven thousand, seven hundred forty-two".

Divisors: 1 2 3 6 19 38 57 114 1239103 2478206 3717309 7434618 23542957 47085914 70628871 141257742