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76401047 = 594872659
BaseRepresentation
bin1001000110111…
…00100110010111
312022202120112102
410203130212113
5124024313142
611325312315
71615253402
oct443344627
9168676472
1076401047
113a143268
122170569b
1312aa0228
14a20ad39
156a92532
hex48dc997

76401047 has 8 divisors (see below), whose sum is σ = 77884800. Its totient is φ = 74923704.

The previous prime is 76401029. The next prime is 76401079. The reversal of 76401047 is 74010467.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 76401047 - 214 = 76384663 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76401007) 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, 27404 + ... + 30062.

It is an arithmetic number, because the mean of its divisors is an integer number (9735600).

Almost surely, 276401047 is an apocalyptic number.

76401047 is a deficient number, since it is larger than the sum of its proper divisors (1483753).

76401047 is a wasteful number, since it uses less digits than its factorization.

76401047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3205.

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 76401047 is about 8740.7692453239. The cubic root of 76401047 is about 424.3261237681.

The spelling of 76401047 in words is "seventy-six million, four hundred one thousand, forty-seven".

Divisors: 1 59 487 2659 28733 156881 1294933 76401047