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674652888 = 233471317673
BaseRepresentation
bin101000001101100…
…110001011011000
31202000110220210000
4220031212023120
52340202343023
6150540053000
722501312020
oct5015461330
91660426700
10674652888
11316907778
12169b34160
13a9a061c0
146585aa80
153e367243
hex283662d8

674652888 has 320 divisors, whose sum is σ = 2466192960. Its totient is φ = 167215104.

The previous prime is 674652887. The next prime is 674652889. The reversal of 674652888 is 888256476.

It is an interprime number because it is at equal distance from previous prime (674652887) and next prime (674652889).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674652887) 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 79 ways as a sum of consecutive naturals, for example, 1002120 + ... + 1002792.

It is an arithmetic number, because the mean of its divisors is an integer number (7706853).

Almost surely, 2674652888 is an apocalyptic number.

674652888 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 674652888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1233096480).

674652888 is an abundant number, since it is smaller than the sum of its proper divisors (1791540072).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

674652888 is a wasteful number, since it uses less digits than its factorization.

674652888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 728 (or 715 counting only the distinct ones).

The product of its digits is 5160960, while the sum is 54.

The square root of 674652888 is about 25974.0810809545. The cubic root of 674652888 is about 877.0549309938.

The spelling of 674652888 in words is "six hundred seventy-four million, six hundred fifty-two thousand, eight hundred eighty-eight".