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80374147 = 717675413
BaseRepresentation
bin1001100101001…
…10100110000011
312121020102121021
410302212212003
5131033433042
611550410311
71664111650
oct462464603
9177212537
1080374147
1141407317
1222b00997
1313861789
14a962c27
1570c9867
hex4ca6983

80374147 has 8 divisors (see below), whose sum is σ = 97259616. Its totient is φ = 64839552.

The previous prime is 80374127. The next prime is 80374153. The reversal of 80374147 is 74147308.

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 80374147 - 215 = 80341379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80374127) 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, 337588 + ... + 337825.

It is an arithmetic number, because the mean of its divisors is an integer number (12157452).

Almost surely, 280374147 is an apocalyptic number.

80374147 is a deficient number, since it is larger than the sum of its proper divisors (16885469).

80374147 is a wasteful number, since it uses less digits than its factorization.

80374147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 675437.

The product of its (nonzero) digits is 18816, while the sum is 34.

The square root of 80374147 is about 8965.1629656131. The cubic root of 80374147 is about 431.5576229257.

The spelling of 80374147 in words is "eighty million, three hundred seventy-four thousand, one hundred forty-seven".

Divisors: 1 7 17 119 675413 4727891 11482021 80374147