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104030409 = 378955661
BaseRepresentation
bin1100011001101…
…10000011001001
321020202021220010
412030312003021
5203112433114
614153422133
72402146440
oct614660311
9236667803
10104030409
11537a464a
122aa0a949
1318725172
14db5dd57
1591edc59
hex63360c9

104030409 has 16 divisors (see below), whose sum is σ = 160306560. Its totient is φ = 58776960.

The previous prime is 104030401. The next prime is 104030417. The reversal of 104030409 is 904030401.

It is an interprime number because it is at equal distance from previous prime (104030401) and next prime (104030417).

It is not a de Polignac number, because 104030409 - 23 = 104030401 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (104030401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25962 + ... + 29699.

It is an arithmetic number, because the mean of its divisors is an integer number (10019160).

Almost surely, 2104030409 is an apocalyptic number.

It is an amenable number.

104030409 is a deficient number, since it is larger than the sum of its proper divisors (56276151).

104030409 is an equidigital number, since it uses as much as digits as its factorization.

104030409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55760.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 104030409 is about 10199.5298421055. The cubic root of 104030409 is about 470.3127675241.

The spelling of 104030409 in words is "one hundred four million, thirty thousand, four hundred nine".

Divisors: 1 3 7 21 89 267 623 1869 55661 166983 389627 1168881 4953829 14861487 34676803 104030409