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104989560 = 233513231167
BaseRepresentation
bin1100100001000…
…00001101111000
321022120000121020
412100200031320
5203334131220
614230142440
72413253004
oct620401570
9238500536
10104989560
115429a235
122b1b1a20
131899c900
14dd2d704
15933d040
hex6420378

104989560 has 192 divisors, whose sum is σ = 354170880. Its totient is φ = 24860160.

The previous prime is 104989553. The next prime is 104989579. The reversal of 104989560 is 65989401.

It is a super-2 number, since 2×1049895602 = 22045615417987200, which contains 22 as substring.

It is a congruent number.

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, 628597 + ... + 628763.

It is an arithmetic number, because the mean of its divisors is an integer number (1844640).

Almost surely, 2104989560 is an apocalyptic number.

104989560 is a gapful number since it is divisible by the number (10) 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 104989560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (177085440).

104989560 is an abundant number, since it is smaller than the sum of its proper divisors (249181320).

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

104989560 is a wasteful number, since it uses less digits than its factorization.

104989560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238 (or 221 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 42.

The square root of 104989560 is about 10246.4413334582. The cubic root of 104989560 is about 471.7537617276.

It can be divided in two parts, 1049 and 89560, that added together give a palindrome (90609).

The spelling of 104989560 in words is "one hundred four million, nine hundred eighty-nine thousand, five hundred sixty".