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76430444 = 22149128239
BaseRepresentation
bin1001000111000…
…11110001101100
312022211001212012
410203203301230
5124031233234
611330100352
71615435166
oct443436154
9168731765
1076430444
113a163362
122171a6b8
1312ab071c
14a217936
156a9b0ce
hex48e3c6c

76430444 has 12 divisors (see below), whose sum is σ = 134652000. Its totient is φ = 37958448.

The previous prime is 76430443. The next prime is 76430461. The reversal of 76430444 is 44403467.

It is a super-2 number, since 2×764304442 = 11683225540074272, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 76430444.

It is not an unprimeable number, because it can be changed into a prime (76430443) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 63524 + ... + 64715.

It is an arithmetic number, because the mean of its divisors is an integer number (11221000).

Almost surely, 276430444 is an apocalyptic number.

It is an amenable number.

76430444 is a deficient number, since it is larger than the sum of its proper divisors (58221556).

76430444 is a wasteful number, since it uses less digits than its factorization.

76430444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128392 (or 128390 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 32.

The square root of 76430444 is about 8742.4506861635. The cubic root of 76430444 is about 424.3805397568.

The spelling of 76430444 in words is "seventy-six million, four hundred thirty thousand, four hundred forty-four".

Divisors: 1 2 4 149 298 596 128239 256478 512956 19107611 38215222 76430444