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47530044 = 2233440093
BaseRepresentation
bin1011010101010…
…0000000111100
310022102202222000
42311110000330
544131430134
64414422300
71114666362
oct265240074
9108382860
1047530044
1124914031
1213b01990
139b020b3
146453632
15428ce99
hex2d5403c

47530044 has 24 divisors (see below), whose sum is σ = 123226320. Its totient is φ = 15843312.

The previous prime is 47530009. The next prime is 47530061. The reversal of 47530044 is 44003574.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 219939 + ... + 220154.

It is an arithmetic number, because the mean of its divisors is an integer number (5134430).

Almost surely, 247530044 is an apocalyptic number.

It is an amenable number.

47530044 is an abundant number, since it is smaller than the sum of its proper divisors (75696276).

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

47530044 is a wasteful number, since it uses less digits than its factorization.

47530044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440106 (or 440098 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 27.

The square root of 47530044 is about 6894.2036523445. The cubic root of 47530044 is about 362.2341616555.

The spelling of 47530044 in words is "forty-seven million, five hundred thirty thousand, forty-four".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 108 440093 880186 1320279 1760372 2640558 3960837 5281116 7921674 11882511 15843348 23765022 47530044