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48103220 = 22511218651
BaseRepresentation
bin1011011101111…
…1111100110100
310100111220012202
42313133330310
544303300340
64435004032
71122604424
oct267377464
9110456182
1048103220
1125175730
1214139618
139c72c59
146562484
154352c15
hex2ddff34

48103220 has 24 divisors (see below), whose sum is σ = 110200608. Its totient is φ = 17492000.

The previous prime is 48103177. The next prime is 48103247. The reversal of 48103220 is 2230184.

It is a super-3 number, since 3×481032203 (a number of 24 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 48103192 and 48103201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109106 + ... + 109545.

It is an arithmetic number, because the mean of its divisors is an integer number (4591692).

Almost surely, 248103220 is an apocalyptic number.

It is an amenable number.

48103220 is an abundant number, since it is smaller than the sum of its proper divisors (62097388).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

48103220 is a wasteful number, since it uses less digits than its factorization.

48103220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218671 (or 218669 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 48103220 is about 6935.6484916697. The cubic root of 48103220 is about 363.6844364854.

The spelling of 48103220 in words is "forty-eight million, one hundred three thousand, two hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 218651 437302 874604 1093255 2186510 2405161 4373020 4810322 9620644 12025805 24051610 48103220