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672490678 = 22271481257
BaseRepresentation
bin101000000101010…
…110010010110110
31201212102001210011
4220011112102312
52334124200203
6150421450434
722444035136
oct5005262266
91655361704
10672490678
11315670222
12169270a1a
13a9429ca2
1465456ac6
153e08b76d
hex281564b6

672490678 has 8 divisors (see below), whose sum is σ = 1013180472. Its totient is φ = 334763856.

The previous prime is 672490669. The next prime is 672490681. The reversal of 672490678 is 876094276.

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

It is a congruent number.

It is an unprimeable number.

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, 740175 + ... + 741082.

It is an arithmetic number, because the mean of its divisors is an integer number (126647559).

Almost surely, 2672490678 is an apocalyptic number.

672490678 is a deficient number, since it is larger than the sum of its proper divisors (340689794).

672490678 is a wasteful number, since it uses less digits than its factorization.

672490678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1481486.

The product of its (nonzero) digits is 1016064, while the sum is 49.

The square root of 672490678 is about 25932.4252240318. The cubic root of 672490678 is about 876.1169639767.

The spelling of 672490678 in words is "six hundred seventy-two million, four hundred ninety thousand, six hundred seventy-eight".

Divisors: 1 2 227 454 1481257 2962514 336245339 672490678