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52029642 = 2371238801
BaseRepresentation
bin1100011001111…
…0100011001010
310121220101020210
43012132203022
5101304422032
65055101550
71201146630
oct306364312
9117811223
1052029642
1127407705
12155118b6
13aa19192
146ca5350
15487b2cc
hex319e8ca

52029642 has 16 divisors (see below), whose sum is σ = 118924992. Its totient is φ = 14865600.

The previous prime is 52029641. The next prime is 52029661. The reversal of 52029642 is 24692025.

52029642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (52029641) 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, 619359 + ... + 619442.

It is an arithmetic number, because the mean of its divisors is an integer number (7432812).

Almost surely, 252029642 is an apocalyptic number.

52029642 is an abundant number, since it is smaller than the sum of its proper divisors (66895350).

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

52029642 is a wasteful number, since it uses less digits than its factorization.

52029642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1238813.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 52029642 is about 7213.1575610131. The cubic root of 52029642 is about 373.3220247071.

The spelling of 52029642 in words is "fifty-two million, twenty-nine thousand, six hundred forty-two".

Divisors: 1 2 3 6 7 14 21 42 1238801 2477602 3716403 7432806 8671607 17343214 26014821 52029642