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42628052 = 2210657013
BaseRepresentation
bin1010001010011…
…1001111010100
32222012201200202
42202213033110
541403044202
64121400032
71025222015
oct242471724
988181622
1042628052
11220760a5
1212339018
138aa6acc
14593900c
153b20802
hex28a73d4

42628052 has 6 divisors (see below), whose sum is σ = 74599098. Its totient is φ = 21314024.

The previous prime is 42628043. The next prime is 42628067. The reversal of 42628052 is 25082624.

42628052 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 38887696 + 3740356 = 6236^2 + 1934^2 .

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 5328503 + ... + 5328510.

It is an arithmetic number, because the mean of its divisors is an integer number (12433183).

Almost surely, 242628052 is an apocalyptic number.

It is an amenable number.

42628052 is a deficient number, since it is larger than the sum of its proper divisors (31971046).

42628052 is a wasteful number, since it uses less digits than its factorization.

42628052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10657017 (or 10657015 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 29.

The square root of 42628052 is about 6529.0161586567. The cubic root of 42628052 is about 349.3267383944.

The spelling of 42628052 in words is "forty-two million, six hundred twenty-eight thousand, fifty-two".

Divisors: 1 2 4 10657013 21314026 42628052