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48723428 = 22131755117
BaseRepresentation
bin1011100111011…
…1010111100100
310101200101222102
42321313113210
544433122203
64500151232
71131066545
oct271672744
9111611872
1048723428
11255596a6
1214398518
13a12c340
1466844cc
154426888
hex2e775e4

48723428 has 24 divisors (see below), whose sum is σ = 97228152. Its totient is φ = 21164544.

The previous prime is 48723421. The next prime is 48723431. The reversal of 48723428 is 82432784.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 18164644 + 30558784 = 4262^2 + 5528^2 .

It is a junction number, because it is equal to n+sod(n) for n = 48723391 and 48723400.

It is not an unprimeable number, because it can be changed into a prime (48723421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26675 + ... + 28442.

It is an arithmetic number, because the mean of its divisors is an integer number (4051173).

Almost surely, 248723428 is an apocalyptic number.

It is an amenable number.

48723428 is a deficient number, since it is larger than the sum of its proper divisors (48504724).

48723428 is a wasteful number, since it uses less digits than its factorization.

48723428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55151 (or 55149 counting only the distinct ones).

The product of its digits is 86016, while the sum is 38.

The square root of 48723428 is about 6980.2169020740. The cubic root of 48723428 is about 365.2407943850.

The spelling of 48723428 in words is "forty-eight million, seven hundred twenty-three thousand, four hundred twenty-eight".

Divisors: 1 2 4 13 17 26 34 52 68 221 442 884 55117 110234 220468 716521 936989 1433042 1873978 2866084 3747956 12180857 24361714 48723428