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20070048 = 253209063
BaseRepresentation
bin100110010001…
…1111010100000
31101202122221010
41030203322200
520114220143
61554100520
7332410155
oct114437240
941678833
1020070048
1110368a19
12687a740
13420928b
14294622c
151b66a33
hex1323ea0

20070048 has 24 divisors (see below), whose sum is σ = 52684128. Its totient is φ = 6689984.

The previous prime is 20070031. The next prime is 20070049. The reversal of 20070048 is 84007002.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (20070049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104436 + ... + 104627.

It is an arithmetic number, because the mean of its divisors is an integer number (2195172).

Almost surely, 220070048 is an apocalyptic number.

It is an amenable number.

20070048 is an abundant number, since it is smaller than the sum of its proper divisors (32614080).

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

20070048 is a wasteful number, since it uses less digits than its factorization.

20070048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209076 (or 209068 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 21.

The square root of 20070048 is about 4479.9607141135. The cubic root of 20070048 is about 271.7582916171.

The spelling of 20070048 in words is "twenty million, seventy thousand, forty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 209063 418126 627189 836252 1254378 1672504 2508756 3345008 5017512 6690016 10035024 20070048