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47032930 = 25723131223
BaseRepresentation
bin1011001101101…
…0101001100010
310021111112001101
42303122221202
544020023210
64400025014
71110526150
oct263325142
9107445041
1047032930
112460459a
121390216a
139989a49
1463643d0
1541e0a3a
hex2cdaa62

47032930 has 64 divisors (see below), whose sum is σ = 102187008. Its totient is φ = 15238080.

The previous prime is 47032919. The next prime is 47032939. The reversal of 47032930 is 3923074.

47032930 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (47032939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 210799 + ... + 211021.

It is an arithmetic number, because the mean of its divisors is an integer number (1596672).

Almost surely, 247032930 is an apocalyptic number.

47032930 is an abundant number, since it is smaller than the sum of its proper divisors (55154078).

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

47032930 is a wasteful number, since it uses less digits than its factorization.

47032930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391.

The product of its (nonzero) digits is 4536, while the sum is 28.

The square root of 47032930 is about 6858.0558469584. The cubic root of 47032930 is about 360.9668710630.

The spelling of 47032930 in words is "forty-seven million, thirty-two thousand, nine hundred thirty".

Divisors: 1 2 5 7 10 14 23 35 46 70 115 131 161 223 230 262 322 446 655 805 917 1115 1310 1561 1610 1834 2230 3013 3122 4585 5129 6026 7805 9170 10258 15065 15610 21091 25645 29213 30130 35903 42182 51290 58426 71806 105455 146065 179515 204491 210910 292130 359030 408982 671899 1022455 1343798 2044910 3359495 4703293 6718990 9406586 23516465 47032930