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48190820 = 2252409541
BaseRepresentation
bin1011011111010…
…1010101100100
310100200100101012
42313311111210
544314101240
64440521352
71123421006
oct267652544
9110610335
1048190820
1125225527
1214180258
139ca3aa2
146586376
15436db65
hex2df5564

48190820 has 12 divisors (see below), whose sum is σ = 101200764. Its totient is φ = 19276320.

The previous prime is 48190817. The next prime is 48190823. The reversal of 48190820 is 2809184.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (48190817) and next prime (48190823).

It can be written as a sum of positive squares in 2 ways, for example, as 29855296 + 18335524 = 5464^2 + 4282^2 .

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (48190823) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1204751 + ... + 1204790.

It is an arithmetic number, because the mean of its divisors is an integer number (8433397).

Almost surely, 248190820 is an apocalyptic number.

It is an amenable number.

48190820 is an abundant number, since it is smaller than the sum of its proper divisors (53009944).

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

48190820 is a wasteful number, since it uses less digits than its factorization.

48190820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2409550 (or 2409548 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 32.

The square root of 48190820 is about 6941.9608180974. The cubic root of 48190820 is about 363.9050692346.

The spelling of 48190820 in words is "forty-eight million, one hundred ninety thousand, eight hundred twenty".

Divisors: 1 2 4 5 10 20 2409541 4819082 9638164 12047705 24095410 48190820