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76421371 = 1316735201
BaseRepresentation
bin1001000111000…
…01100011111011
312022210121102011
410203201203323
5124030440441
611325550351
71615366555
oct443414373
9168717364
1076421371
113a157564
12217153b7
1312aa9560
14a2144d5
156a98581
hex48e18fb

76421371 has 8 divisors (see below), whose sum is σ = 82795104. Its totient is φ = 70118400.

The previous prime is 76421333. The next prime is 76421381. The reversal of 76421371 is 17312467.

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 76421371 - 215 = 76388603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76421381) 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, 15430 + ... + 19771.

It is an arithmetic number, because the mean of its divisors is an integer number (10349388).

Almost surely, 276421371 is an apocalyptic number.

76421371 is a deficient number, since it is larger than the sum of its proper divisors (6373733).

76421371 is a wasteful number, since it uses less digits than its factorization.

76421371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35381.

The product of its digits is 7056, while the sum is 31.

The square root of 76421371 is about 8741.9317659199. The cubic root of 76421371 is about 424.3637464616.

The spelling of 76421371 in words is "seventy-six million, four hundred twenty-one thousand, three hundred seventy-one".

Divisors: 1 13 167 2171 35201 457613 5878567 76421371