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47953490 = 2513368873
BaseRepresentation
bin1011011011101…
…1011001010010
310100020021211012
42312323121102
544234002430
64431450522
71121412044
oct266733122
9110207735
1047953490
1125083192
1214086a42
139c1ca60
146523a94
154323695
hex2dbb652

47953490 has 16 divisors (see below), whose sum is σ = 92956248. Its totient is φ = 17705856.

The previous prime is 47953439. The next prime is 47953513. The reversal of 47953490 is 9435974.

It can be written as a sum of positive squares in 4 ways, for example, as 24730729 + 23222761 = 4973^2 + 4819^2 .

It is a Curzon 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, 184307 + ... + 184566.

Almost surely, 247953490 is an apocalyptic number.

47953490 is a deficient number, since it is larger than the sum of its proper divisors (45002758).

47953490 is a wasteful number, since it uses less digits than its factorization.

47953490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368893.

The product of its (nonzero) digits is 136080, while the sum is 41.

The square root of 47953490 is about 6924.8458466597. The cubic root of 47953490 is about 363.3066996909.

The spelling of 47953490 in words is "forty-seven million, nine hundred fifty-three thousand, four hundred ninety".

Divisors: 1 2 5 10 13 26 65 130 368873 737746 1844365 3688730 4795349 9590698 23976745 47953490