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188029542 = 2331338257
BaseRepresentation
bin10110011010100…
…01101001100110
3111002210220001010
423031101221212
5341113421132
630354043050
74442140041
oct1315215146
9432726033
10188029542
1197157418
1252b79486
132cc558ac
141ad87c58
15117926cc
hexb351a66

188029542 has 8 divisors (see below), whose sum is σ = 376059096. Its totient is φ = 62676512.

The previous prime is 188029447. The next prime is 188029547. The reversal of 188029542 is 245920881.

188029542 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

188029542 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 188029542.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (188029547) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15669123 + ... + 15669134.

It is an arithmetic number, because the mean of its divisors is an integer number (47007387).

Almost surely, 2188029542 is an apocalyptic number.

188029542 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

188029542 is a wasteful number, since it uses less digits than its factorization.

188029542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31338262.

The product of its (nonzero) digits is 46080, while the sum is 39.

The square root of 188029542 is about 13712.3864443794. The cubic root of 188029542 is about 572.8954363929.

The spelling of 188029542 in words is "one hundred eighty-eight million, twenty-nine thousand, five hundred forty-two".

Divisors: 1 2 3 6 31338257 62676514 94014771 188029542