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48230138 = 2116183433
BaseRepresentation
bin1011011111111…
…0111011111010
310100202100022102
42313332323322
544321331023
64441423402
71123643435
oct267767372
9110670272
1048230138
1125252020
121419ab62
139cb8958
14659681c
15437a628
hex2dfeefa

48230138 has 32 divisors (see below), whose sum is σ = 81369792. Its totient is φ = 21254400.

The previous prime is 48230137. The next prime is 48230167. The reversal of 48230138 is 83103284.

It is a happy number.

It is a super-2 number, since 2×482301382 = 4652292422998088, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 48230138.

It is not an unprimeable number, because it can be changed into a prime (48230137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111170 + ... + 111602.

It is an arithmetic number, because the mean of its divisors is an integer number (2542806).

Almost surely, 248230138 is an apocalyptic number.

48230138 is a deficient number, since it is larger than the sum of its proper divisors (33139654).

48230138 is a wasteful number, since it uses less digits than its factorization.

48230138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 590.

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 48230138 is about 6944.7921495175. The cubic root of 48230138 is about 364.0040101398.

The spelling of 48230138 in words is "forty-eight million, two hundred thirty thousand, one hundred thirty-eight".

Divisors: 1 2 11 22 61 83 122 166 433 671 866 913 1342 1826 4763 5063 9526 10126 26413 35939 52826 55693 71878 111386 290543 395329 581086 790658 2192279 4384558 24115069 48230138