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674234880 = 29351123347
BaseRepresentation
bin101000001100000…
…000001000000000
31201222200200101020
4220030000020000
52340101004010
6150523105440
722464621234
oct5014001000
91658620336
10674234880
11316651710
12169972280
13a98bab67
146578c5c4
153e2d3470
hex28300200

674234880 has 320 divisors, whose sum is σ = 2460699648. Its totient is φ = 155893760.

The previous prime is 674234879. The next prime is 674234887. The reversal of 674234880 is 88432476.

It is a tau number, because it is divible by the number of its divisors (320).

It is a super-2 number, since 2×6742348802 = 909185346817228800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (674234887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1942867 + ... + 1943213.

Almost surely, 2674234880 is an apocalyptic number.

674234880 is a gapful number since it is divisible by the number (60) 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 674234880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1230349824).

674234880 is an abundant number, since it is smaller than the sum of its proper divisors (1786464768).

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

674234880 is a wasteful number, since it uses less digits than its factorization.

674234880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407 (or 391 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 42.

The square root of 674234880 is about 25966.0331972367. The cubic root of 674234880 is about 876.8737554948.

The spelling of 674234880 in words is "six hundred seventy-four million, two hundred thirty-four thousand, eight hundred eighty".