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48759257 = 47222073
BaseRepresentation
bin1011101000000…
…0000111011001
310101202020010102
42322000013121
544440244012
64501025145
71131306161
oct272000731
9111666112
1048759257
1125583608
12143b51b5
13a142741
1466935a1
1544322c2
hex2e801d9

48759257 has 6 divisors (see below), whose sum is σ = 49821018. Its totient is φ = 47719664.

The previous prime is 48759233. The next prime is 48759289. The reversal of 48759257 is 75295784.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 48385936 + 373321 = 6956^2 + 611^2 .

It is not a de Polignac number, because 48759257 - 216 = 48693721 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (48759857) 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 5 ways as a sum of consecutive naturals, for example, 8828 + ... + 13245.

It is an arithmetic number, because the mean of its divisors is an integer number (8303503).

Almost surely, 248759257 is an apocalyptic number.

48759257 is a gapful number since it is divisible by the number (47) formed by its first and last digit.

It is an amenable number.

48759257 is a deficient number, since it is larger than the sum of its proper divisors (1061761).

48759257 is an equidigital number, since it uses as much as digits as its factorization.

48759257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22167 (or 22120 counting only the distinct ones).

The product of its digits is 705600, while the sum is 47.

The square root of 48759257 is about 6982.7828979569. The cubic root of 48759257 is about 365.3302996230.

The spelling of 48759257 in words is "forty-eight million, seven hundred fifty-nine thousand, two hundred fifty-seven".

Divisors: 1 47 2209 22073 1037431 48759257