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48031020 = 22325266839
BaseRepresentation
bin1011011100111…
…0010100101100
310100101020011200
42313032110230
544243443040
64433245500
71122154062
oct267162454
9110336150
1048031020
1125126464
1214103890
139c4912b
146544032
15433b630
hex2dce52c

48031020 has 36 divisors (see below), whose sum is σ = 145694640. Its totient is φ = 12808224.

The previous prime is 48031013. The next prime is 48031057. The reversal of 48031020 is 2013084.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 48030984 and 48031002.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 133240 + ... + 133599.

Almost surely, 248031020 is an apocalyptic number.

It is an amenable number.

48031020 is an abundant number, since it is smaller than the sum of its proper divisors (97663620).

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

48031020 is a wasteful number, since it uses less digits than its factorization.

48031020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266854 (or 266849 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 48031020 is about 6930.4415443751. The cubic root of 48031020 is about 363.5023893202.

The spelling of 48031020 in words is "forty-eight million, thirty-one thousand, twenty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 266839 533678 800517 1067356 1334195 1601034 2401551 2668390 3202068 4002585 4803102 5336780 8005170 9606204 12007755 16010340 24015510 48031020