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42999528 = 233112131767
BaseRepresentation
bin1010010000000…
…1111011101000
32222220121021010
42210001323220
542001441103
64133343520
71031330025
oct244017350
988817233
1042999528
11222aa200
1212497ba0
138ba6c10
1459d454c
153b95903
hex2901ee8

42999528 has 192 divisors, whose sum is σ = 136745280. Its totient is φ = 11151360.

The previous prime is 42999521. The next prime is 42999553. The reversal of 42999528 is 82599924.

It is a happy number.

Its product of digits (466560) is a multiple of the sum of its prime factors (128).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42999521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 641751 + ... + 641817.

It is an arithmetic number, because the mean of its divisors is an integer number (712215).

Almost surely, 242999528 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42999528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68372640).

42999528 is an abundant number, since it is smaller than the sum of its proper divisors (93745752).

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

42999528 is a wasteful number, since it uses less digits than its factorization.

42999528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128 (or 113 counting only the distinct ones).

The product of its digits is 466560, while the sum is 48.

The square root of 42999528 is about 6557.4025345406. The cubic root of 42999528 is about 350.3385241705.

The spelling of 42999528 in words is "forty-two million, nine hundred ninety-nine thousand, five hundred twenty-eight".