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94081680 = 243257111697
BaseRepresentation
bin1011001101110…
…01001010010000
320120000211210200
411212321022100
5143041103210
613200255200
72221452420
oct546711220
9216024720
1094081680
1149119a60
1227611500
1316650a44
14c6d0480
1583d60c0
hex59b9290

94081680 has 240 divisors, whose sum is σ = 394153344. Its totient is φ = 19537920.

The previous prime is 94081679. The next prime is 94081699. The reversal of 94081680 is 8618049.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (240).

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

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 54592 + ... + 56288.

Almost surely, 294081680 is an apocalyptic number.

94081680 is a gapful number since it is divisible by the number (90) 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 94081680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (197076672).

94081680 is an abundant number, since it is smaller than the sum of its proper divisors (300071664).

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

94081680 is a wasteful number, since it uses less digits than its factorization.

94081680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1734 (or 1725 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 94081680 is about 9699.5711245395. The cubic root of 94081680 is about 454.8152532577.

The spelling of 94081680 in words is "ninety-four million, eighty-one thousand, six hundred eighty".