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48913231 = 4310710631
BaseRepresentation
bin1011101010010…
…1101101001111
310102001001100011
42322211231033
5100010210411
64504214051
71132520113
oct272455517
9112031304
1048913231
1125679264
121446a327
13a197853
1466d3743
154462c21
hex2ea5b4f

48913231 has 8 divisors (see below), whose sum is σ = 50523264. Its totient is φ = 47324760.

The previous prime is 48913219. The next prime is 48913253. The reversal of 48913231 is 13231984.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 48913231 - 215 = 48880463 is a prime.

It is a super-2 number, since 2×489132312 = 4785008333718722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 48913193 and 48913202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48913261) 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, 715 + ... + 9916.

It is an arithmetic number, because the mean of its divisors is an integer number (6315408).

Almost surely, 248913231 is an apocalyptic number.

48913231 is a deficient number, since it is larger than the sum of its proper divisors (1610033).

48913231 is a wasteful number, since it uses less digits than its factorization.

48913231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10781.

The product of its digits is 5184, while the sum is 31.

The square root of 48913231 is about 6993.7994681003. The cubic root of 48913231 is about 365.7144472612.

The spelling of 48913231 in words is "forty-eight million, nine hundred thirteen thousand, two hundred thirty-one".

Divisors: 1 43 107 4601 10631 457133 1137517 48913231