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12403104 = 253718457
BaseRepresentation
bin101111010100…
…000110100000
3212100010212020
4233110012200
511133344404
61121501440
7210265440
oct57240640
925303766
1012403104
1170016aa
1241a1880
13275361c
14190c120
15114eed9
hexbd41a0

12403104 has 48 divisors (see below), whose sum is σ = 37211328. Its totient is φ = 3543552.

The previous prime is 12403087. The next prime is 12403121. The reversal of 12403104 is 40130421.

Adding to 12403104 its reverse (40130421), we get a palindrome (52533525).

It is an interprime number because it is at equal distance from previous prime (12403087) and next prime (12403121).

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8557 + ... + 9900.

It is an arithmetic number, because the mean of its divisors is an integer number (775236).

Almost surely, 212403104 is an apocalyptic number.

12403104 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

12403104 is an abundant number, since it is smaller than the sum of its proper divisors (24808224).

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

12403104 is a wasteful number, since it uses less digits than its factorization.

12403104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18477 (or 18469 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 12403104 is about 3521.8040831369. The cubic root of 12403104 is about 231.4782169715.

The spelling of 12403104 in words is "twelve million, four hundred three thousand, one hundred four".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 56 84 96 112 168 224 336 672 18457 36914 55371 73828 110742 129199 147656 221484 258398 295312 387597 442968 516796 590624 775194 885936 1033592 1550388 1771872 2067184 3100776 4134368 6201552 12403104