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672490677 = 3224163559
BaseRepresentation
bin101000000101010…
…110010010110101
31201212102001210010
4220011112102311
52334124200202
6150421450433
722444035135
oct5005262265
91655361703
10672490677
11315670221
12169270a19
13a9429ca1
1465456ac5
153e08b76c
hex281564b5

672490677 has 4 divisors (see below), whose sum is σ = 896654240. Its totient is φ = 448327116.

The previous prime is 672490669. The next prime is 672490681. The reversal of 672490677 is 776094276.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 672490677 - 23 = 672490669 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 (672490627) by changing a digit.

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, 112081777 + ... + 112081782.

It is an arithmetic number, because the mean of its divisors is an integer number (224163560).

Almost surely, 2672490677 is an apocalyptic number.

It is an amenable number.

672490677 is a deficient number, since it is larger than the sum of its proper divisors (224163563).

672490677 is a wasteful number, since it uses less digits than its factorization.

672490677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224163562.

The product of its (nonzero) digits is 889056, while the sum is 48.

The square root of 672490677 is about 25932.4252047509. The cubic root of 672490677 is about 876.1169635425.

The spelling of 672490677 in words is "six hundred seventy-two million, four hundred ninety thousand, six hundred seventy-seven".

Divisors: 1 3 224163559 672490677