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48465440 = 255302909
BaseRepresentation
bin1011100011100…
…0011000100000
310101012022002022
42320320120200
544401343230
64450441012
71125643442
oct270703040
9111168068
1048465440
11253a2891
1214293168
13a06ba9a
146618492
1543c51e5
hex2e38620

48465440 has 24 divisors (see below), whose sum is σ = 114499980. Its totient is φ = 19386112.

The previous prime is 48465437. The next prime is 48465457. The reversal of 48465440 is 4456484.

It can be written as a sum of positive squares in 2 ways, for example, as 46403344 + 2062096 = 6812^2 + 1436^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 48465440.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 151295 + ... + 151614.

Almost surely, 248465440 is an apocalyptic number.

48465440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

48465440 is an abundant number, since it is smaller than the sum of its proper divisors (66034540).

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

48465440 is a wasteful number, since it uses less digits than its factorization.

48465440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302924 (or 302916 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 35.

The square root of 48465440 is about 6961.7124330153. The cubic root of 48465440 is about 364.5950096143.

The spelling of 48465440 in words is "forty-eight million, four hundred sixty-five thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 302909 605818 1211636 1514545 2423272 3029090 4846544 6058180 9693088 12116360 24232720 48465440