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697080384 = 263371113231
BaseRepresentation
bin101001100011001…
…001101001000000
31210120200100112000
4221203021221000
52411423033014
6153100504000
723163041220
oct5143115100
91716610460
10697080384
113285358a0
1217554b000
13b1559500
1468818080
15412e7509
hex298c9a40

697080384 has 672 divisors, whose sum is σ = 2855854080. Its totient is φ = 161740800.

The previous prime is 697080331. The next prime is 697080403. The reversal of 697080384 is 483080796.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (672).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 22486449 + ... + 22486479.

Almost surely, 2697080384 is an apocalyptic number.

697080384 is a gapful number since it is divisible by the number (64) 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 697080384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1427927040).

697080384 is an abundant number, since it is smaller than the sum of its proper divisors (2158773696).

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

697080384 is a wasteful number, since it uses less digits than its factorization.

697080384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96 (or 67 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 697080384 is about 26402.2799015540. The cubic root of 697080384 is about 886.6678344970.

The spelling of 697080384 in words is "six hundred ninety-seven million, eighty thousand, three hundred eighty-four".