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49123930 = 2519475501
BaseRepresentation
bin1011101101100…
…1001001011010
310102102202100211
42323121021122
5100033431210
64512521334
71134355312
oct273311132
9112382324
1049123930
1125802599
121455024a
13a23c71b
14674a442
1544a538a
hex2ed925a

49123930 has 32 divisors (see below), whose sum is σ = 95074560. Its totient is φ = 18216000.

The previous prime is 49123913. The next prime is 49123961. The reversal of 49123930 is 3932194.

It is a junction number, because it is equal to n+sod(n) for n = 49123892 and 49123901.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6180 + ... + 11680.

It is an arithmetic number, because the mean of its divisors is an integer number (2971080).

Almost surely, 249123930 is an apocalyptic number.

49123930 is a deficient number, since it is larger than the sum of its proper divisors (45950630).

49123930 is a wasteful number, since it uses less digits than its factorization.

49123930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5574.

The product of its (nonzero) digits is 5832, while the sum is 31.

The square root of 49123930 is about 7008.8465527503. The cubic root of 49123930 is about 366.2388131564.

The spelling of 49123930 in words is "forty-nine million, one hundred twenty-three thousand, nine hundred thirty".

Divisors: 1 2 5 10 19 38 47 94 95 190 235 470 893 1786 4465 5501 8930 11002 27505 55010 104519 209038 258547 517094 522595 1045190 1292735 2585470 4912393 9824786 24561965 49123930