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104385492 = 22322899597
BaseRepresentation
bin1100011100011…
…00101111010100
321021102022222100
412032030233110
5203210313432
614205202100
72405155611
oct616145724
9237368870
10104385492
1153a17402
122ab60330
131881a983
14dc13508
15926e07c
hex638cbd4

104385492 has 18 divisors (see below), whose sum is σ = 263863418. Its totient is φ = 34795152.

The previous prime is 104385469. The next prime is 104385497. The reversal of 104385492 is 294583401.

104385492 is a `hidden beast` number, since 104 + 3 + 8 + 549 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 103917636 + 467856 = 10194^2 + 684^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 2899597 = 104385492 / (1 + 0 + 4 + 3 + 8 + 5 + 4 + 9 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104385497) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1449763 + ... + 1449834.

Almost surely, 2104385492 is an apocalyptic number.

104385492 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

104385492 is an abundant number, since it is smaller than the sum of its proper divisors (159477926).

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

104385492 is a wasteful number, since it uses less digits than its factorization.

104385492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2899607 (or 2899602 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 104385492 is about 10216.9218456441. The cubic root of 104385492 is about 470.8472600331.

The spelling of 104385492 in words is "one hundred four million, three hundred eighty-five thousand, four hundred ninety-two".

Divisors: 1 2 3 4 6 9 12 18 36 2899597 5799194 8698791 11598388 17397582 26096373 34795164 52192746 104385492