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296131680 = 25335135273
BaseRepresentation
bin10001101001101…
…001110001100000
3202122020001022000
4101221221301200
51101302203210
645215044000
710224035445
oct2151516140
9678201260
10296131680
11142182129
1283210600
1349475160
142b4879cc
151aee7ac0
hex11a69c60

296131680 has 192 divisors, whose sum is σ = 1116400320. Its totient is φ = 72880128.

The previous prime is 296131621. The next prime is 296131681. The reversal of 296131680 is 86131692.

296131680 is a `hidden beast` number, since 29 + 613 + 16 + 8 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (296131681) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 53524 + ... + 58796.

It is an arithmetic number, because the mean of its divisors is an integer number (5814585).

Almost surely, 2296131680 is an apocalyptic number.

296131680 is a gapful number since it is divisible by the number (20) 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 296131680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (558200160).

296131680 is an abundant number, since it is smaller than the sum of its proper divisors (820268640).

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

296131680 is a wasteful number, since it uses less digits than its factorization.

296131680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5310 (or 5296 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 296131680 is about 17208.4769808371. The cubic root of 296131680 is about 666.5431815730.

The spelling of 296131680 in words is "two hundred ninety-six million, one hundred thirty-one thousand, six hundred eighty".