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75042068 = 22372711871
BaseRepresentation
bin1000111100100…
…00110100010100
312020012112100212
410132100310110
5123202321233
611240224552
71600563353
oct436206424
9166175325
1075042068
11393a5242
122116b158
13127157ba
149d7599a
1568c4a48
hex4790d14

75042068 has 24 divisors (see below), whose sum is σ = 135442944. Its totient is φ = 36352800.

The previous prime is 75042061. The next prime is 75042073. The reversal of 75042068 is 86024057.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75042061) 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 7 ways as a sum of consecutive naturals, for example, 39173 + ... + 41043.

It is an arithmetic number, because the mean of its divisors is an integer number (5643456).

Almost surely, 275042068 is an apocalyptic number.

It is an amenable number.

75042068 is a deficient number, since it is larger than the sum of its proper divisors (60400876).

75042068 is a wasteful number, since it uses less digits than its factorization.

75042068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2183 (or 2181 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 75042068 is about 8662.6824944702. The cubic root of 75042068 is about 421.7951657475.

The spelling of 75042068 in words is "seventy-five million, forty-two thousand, sixty-eight".

Divisors: 1 2 4 37 74 148 271 542 1084 1871 3742 7484 10027 20054 40108 69227 138454 276908 507041 1014082 2028164 18760517 37521034 75042068