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75079444 = 22117392309
BaseRepresentation
bin1000111100110…
…01111100010100
312020021102122011
410132121330110
5123210020234
611241114004
71601110336
oct436317424
9166242564
1075079444
1139420330
1221188904
131272980b
149d85456
1568d0b64
hex4799f14

75079444 has 24 divisors (see below), whose sum is σ = 143589600. Its totient is φ = 34066080.

The previous prime is 75079391. The next prime is 75079451. The reversal of 75079444 is 44497057.

It is a super-2 number, since 2×750794442 = 11273845822698272, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 75079397 and 75079406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31362 + ... + 33670.

It is an arithmetic number, because the mean of its divisors is an integer number (5982900).

Almost surely, 275079444 is an apocalyptic number.

It is an amenable number.

75079444 is a deficient number, since it is larger than the sum of its proper divisors (68510156).

75079444 is a wasteful number, since it uses less digits than its factorization.

75079444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3063 (or 3061 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 40.

The square root of 75079444 is about 8664.8395253461. The cubic root of 75079444 is about 421.8651815840.

The spelling of 75079444 in words is "seventy-five million, seventy-nine thousand, four hundred forty-four".

Divisors: 1 2 4 11 22 44 739 1478 2309 2956 4618 8129 9236 16258 25399 32516 50798 101596 1706351 3412702 6825404 18769861 37539722 75079444