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75404434 = 273109919
BaseRepresentation
bin1000111111010…
…01010010010010
312020212221102211
410133221102102
5123300420214
611252102334
71603633000
oct437512222
9166787384
1075404434
1139622516
12213049aa
1312811711
14a02ba70
1569470c4
hex47e9492

75404434 has 16 divisors (see below), whose sum is σ = 131904000. Its totient is φ = 32315892.

The previous prime is 75404423. The next prime is 75404471. The reversal of 75404434 is 43440457.

It is a junction number, because it is equal to n+sod(n) for n = 75404396 and 75404405.

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, 54274 + ... + 55645.

It is an arithmetic number, because the mean of its divisors is an integer number (8244000).

Almost surely, 275404434 is an apocalyptic number.

75404434 is a deficient number, since it is larger than the sum of its proper divisors (56499566).

75404434 is a wasteful number, since it uses less digits than its factorization.

75404434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109942 (or 109928 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 31.

The square root of 75404434 is about 8683.5726518525. The cubic root of 75404434 is about 422.4730027216.

The spelling of 75404434 in words is "seventy-five million, four hundred four thousand, four hundred thirty-four".

Divisors: 1 2 7 14 49 98 343 686 109919 219838 769433 1538866 5386031 10772062 37702217 75404434