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48361131 = 312713
BaseRepresentation
bin1011100001111…
…0111010101011
310101000000000000
42320132322223
544340024011
64444314043
71125030360
oct270367253
9111000000
1048361131
1125331485
1214242923
13a033470
1465cc467
1543a4356
hex2e1eeab

48361131 has 52 divisors (see below), whose sum is σ = 89282032. Its totient is φ = 25509168.

The previous prime is 48361121. The next prime is 48361133. The reversal of 48361131 is 13116384.

48361131 is a `hidden beast` number, since 48 + 3 + 611 + 3 + 1 = 666.

It is not a de Polignac number, because 48361131 - 210 = 48360107 is a prime.

It is a super-2 number, since 2×483611312 = 4677597983198322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nialpdrome in base 9.

It is a zygodrome in base 9.

It is a junction number, because it is equal to n+sod(n) for n = 48361095 and 48361104.

It is not an unprimeable number, because it can be changed into a prime (48361133) by changing a digit.

It is a polite number, since it can be written in 51 ways as a sum of consecutive naturals, for example, 3720081 + ... + 3720093.

Almost surely, 248361131 is an apocalyptic number.

48361131 is a deficient number, since it is larger than the sum of its proper divisors (40920901).

48361131 is an frugal number, since it uses more digits than its factorization.

48361131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56 (or 23 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

The square root of 48361131 is about 6954.2167783295. The cubic root of 48361131 is about 364.3332570673. Note that the first 3 decimals are identical.

The spelling of 48361131 in words is "forty-eight million, three hundred sixty-one thousand, one hundred thirty-one".

Divisors: 1 3 7 9 13 21 27 39 63 81 91 117 189 243 273 351 567 729 819 1053 1701 2187 2457 3159 5103 6561 7371 9477 15309 19683 22113 28431 45927 59049 66339 85293 137781 177147 199017 255879 413343 531441 597051 767637 1240029 1791153 2302911 3720087 5373459 6908733 16120377 48361131