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48397904 = 245357073
BaseRepresentation
bin1011100010011…
…1111001010000
310101001212102222
42320213321100
544342213104
64445200212
71125242522
oct270477120
9111055388
1048397904
1125357075
1214260068
13a047119
1465dba12
1543b01be
hex2e27e50

48397904 has 20 divisors (see below), whose sum is σ = 95541876. Its totient is φ = 23741952.

The previous prime is 48397901. The next prime is 48397907. The reversal of 48397904 is 40979384.

48397904 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (48397901) and next prime (48397907).

It can be written as a sum of positive squares in 2 ways, for example, as 36481600 + 11916304 = 6040^2 + 3452^2 .

It is a super-2 number, since 2×483979042 = 4684714223186432, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48397901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27689 + ... + 29384.

Almost surely, 248397904 is an apocalyptic number.

It is an amenable number.

48397904 is a deficient number, since it is larger than the sum of its proper divisors (47143972).

48397904 is a wasteful number, since it uses less digits than its factorization.

48397904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57134 (or 57128 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 44.

The square root of 48397904 is about 6956.8602113310. The cubic root of 48397904 is about 364.4255779887.

The spelling of 48397904 in words is "forty-eight million, three hundred ninety-seven thousand, nine hundred four".

Divisors: 1 2 4 8 16 53 106 212 424 848 57073 114146 228292 456584 913168 3024869 6049738 12099476 24198952 48397904