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47480830 = 2517299631
BaseRepresentation
bin1011010100011…
…1111111111110
310022100021110021
42311013333332
544123341310
64413402354
71114403035
oct265077776
9108307407
1047480830
1124890061
1213a993ba
139ab5887
14643d71c
15427d5da
hex2d47ffe

47480830 has 32 divisors (see below), whose sum is σ = 93623040. Its totient is φ = 17256960.

The previous prime is 47480827. The next prime is 47480843. The reversal of 47480830 is 3808474.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 115 + ... + 9745.

It is an arithmetic number, because the mean of its divisors is an integer number (2925720).

Almost surely, 247480830 is an apocalyptic number.

47480830 is a deficient number, since it is larger than the sum of its proper divisors (46142210).

47480830 is a wasteful number, since it uses less digits than its factorization.

47480830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9684.

The product of its (nonzero) digits is 21504, while the sum is 34.

The square root of 47480830 is about 6890.6334977272. The cubic root of 47480830 is about 362.1090958590.

The spelling of 47480830 in words is "forty-seven million, four hundred eighty thousand, eight hundred thirty".

Divisors: 1 2 5 10 17 29 34 58 85 145 170 290 493 986 2465 4930 9631 19262 48155 96310 163727 279299 327454 558598 818635 1396495 1637270 2792990 4748083 9496166 23740415 47480830