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48220540 = 2252411027
BaseRepresentation
bin1011011111110…
…0100101111100
310100201212010221
42313330211330
544321024130
64441311124
71123603444
oct267744574
9110655127
1048220540
1125245895
12141954a4
139cb4484
146593124
15437787a
hex2dfc97c

48220540 has 12 divisors (see below), whose sum is σ = 101263176. Its totient is φ = 19288208.

The previous prime is 48220511. The next prime is 48220541. The reversal of 48220540 is 4502284.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48220541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1205494 + ... + 1205533.

It is an arithmetic number, because the mean of its divisors is an integer number (8438598).

Almost surely, 248220540 is an apocalyptic number.

It is an amenable number.

48220540 is an abundant number, since it is smaller than the sum of its proper divisors (53042636).

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

48220540 is a wasteful number, since it uses less digits than its factorization.

48220540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2411036 (or 2411034 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 25.

The square root of 48220540 is about 6944.1010937342. The cubic root of 48220540 is about 363.9798624290.

The spelling of 48220540 in words is "forty-eight million, two hundred twenty thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 2411027 4822054 9644108 12055135 24110270 48220540