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76406080 = 2651132113
BaseRepresentation
bin1001000110111…
…01110101000000
312022202211102211
410203131311000
5124024443310
611325351504
71615304152
oct443356500
9168684384
1076406080
113a147023
1221708594
1312aa25ca
14a20cad2
156a93c8a
hex48ddd40

76406080 has 56 divisors (see below), whose sum is σ = 183638952. Its totient is φ = 30277632.

The previous prime is 76406009. The next prime is 76406089. The reversal of 76406080 is 8060467.

It can be written as a sum of positive squares in 4 ways, for example, as 10601536 + 65804544 = 3256^2 + 8112^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76406089) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35104 + ... + 37216.

It is an arithmetic number, because the mean of its divisors is an integer number (3279267).

Almost surely, 276406080 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 76406080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91819476).

76406080 is an abundant number, since it is smaller than the sum of its proper divisors (107232872).

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

76406080 is a wasteful number, since it uses less digits than its factorization.

76406080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2243 (or 2233 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 76406080 is about 8741.0571443047. The cubic root of 76406080 is about 424.3354412079.

The spelling of 76406080 in words is "seventy-six million, four hundred six thousand, eighty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 113 160 226 320 452 565 904 1130 1808 2113 2260 3616 4226 4520 7232 8452 9040 10565 16904 18080 21130 33808 36160 42260 67616 84520 135232 169040 238769 338080 477538 676160 955076 1193845 1910152 2387690 3820304 4775380 7640608 9550760 15281216 19101520 38203040 76406080