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20848104 = 233432173
BaseRepresentation
bin100111110000…
…1110111101000
31110020012020000
41033201313220
520314114404
62022503000
7342130434
oct117416750
943205200
1020848104
111084a542
126b94a60
13441c474
142aa99c4
151c6c339
hex13e1de8

20848104 has 40 divisors (see below), whose sum is σ = 58395810. Its totient is φ = 6949152.

The previous prime is 20848099. The next prime is 20848109. The reversal of 20848104 is 40184802.

It is an interprime number because it is at equal distance from previous prime (20848099) and next prime (20848109).

It can be written as a sum of positive squares in only one way, i.e., 18507204 + 2340900 = 4302^2 + 1530^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (20848109) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 15439 + ... + 16734.

Almost surely, 220848104 is an apocalyptic number.

20848104 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20848104 is an abundant number, since it is smaller than the sum of its proper divisors (37547706).

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

20848104 is a wasteful number, since it uses less digits than its factorization.

20848104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32191 (or 32178 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 27.

The square root of 20848104 is about 4565.9724046472. The cubic root of 20848104 is about 275.2256176013.

The spelling of 20848104 in words is "twenty million, eight hundred forty-eight thousand, one hundred four".

Divisors: 1 2 3 4 6 8 9 12 18 24 27 36 54 72 81 108 162 216 324 648 32173 64346 96519 128692 193038 257384 289557 386076 579114 772152 868671 1158228 1737342 2316456 2606013 3474684 5212026 6949368 10424052 20848104