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75904940 = 2254192567
BaseRepresentation
bin1001000011000…
…11011110101100
312021211101000002
410201203132230
5123412424230
611310523432
71611116126
oct441433654
9167741002
1075904940
1139934561
1221506578
1312958487
14a11c216
1569e5545
hex48637ac

75904940 has 24 divisors (see below), whose sum is σ = 163289952. Its totient is φ = 29621120.

The previous prime is 75904931. The next prime is 75904951. The reversal of 75904940 is 4940957.

It is a junction number, because it is equal to n+sod(n) for n = 75904894 and 75904903.

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 in 7 ways as a sum of consecutive naturals, for example, 45464 + ... + 47103.

It is an arithmetic number, because the mean of its divisors is an integer number (6803748).

Almost surely, 275904940 is an apocalyptic number.

It is an amenable number.

75904940 is an abundant number, since it is smaller than the sum of its proper divisors (87385012).

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

75904940 is a wasteful number, since it uses less digits than its factorization.

75904940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92617 (or 92615 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 75904940 is about 8712.3441162525. The cubic root of 75904940 is about 423.4056806244.

The spelling of 75904940 in words is "seventy-five million, nine hundred four thousand, nine hundred forty".

Divisors: 1 2 4 5 10 20 41 82 164 205 410 820 92567 185134 370268 462835 925670 1851340 3795247 7590494 15180988 18976235 37952470 75904940