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103048731 = 3211449859
BaseRepresentation
bin1100010010001…
…10011000011011
321011220102021200
412021012120123
5202340024411
614120405243
72360620422
oct611063033
9234812250
10103048731
1153194045
122a616823
13184703a6
14d9862b9
1590a7e56
hex624661b

103048731 has 6 divisors (see below), whose sum is σ = 148848180. Its totient is φ = 68699148.

The previous prime is 103048727. The next prime is 103048741. The reversal of 103048731 is 137840301.

It is not a de Polignac number, because 103048731 - 22 = 103048727 is a prime.

It is a super-2 number, since 2×1030487312 = 21238081921420722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 103048695 and 103048704.

It is not an unprimeable number, because it can be changed into a prime (103048711) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5724921 + ... + 5724938.

It is an arithmetic number, because the mean of its divisors is an integer number (24808030).

Almost surely, 2103048731 is an apocalyptic number.

103048731 is a deficient number, since it is larger than the sum of its proper divisors (45799449).

103048731 is a wasteful number, since it uses less digits than its factorization.

103048731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11449865 (or 11449862 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 103048731 is about 10151.2920852471. The cubic root of 103048731 is about 468.8287283232.

The spelling of 103048731 in words is "one hundred three million, forty-eight thousand, seven hundred thirty-one".

Divisors: 1 3 9 11449859 34349577 103048731