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47019872 = 252276473
BaseRepresentation
bin1011001101011…
…1011101100000
310021110212010202
42303113131200
544014113442
64355444332
71110443114
oct263273540
9107425122
1047019872
11245a57a9
12138b66a8
139983b13
14635d744
1541dbc32
hex2cd7760

47019872 has 24 divisors (see below), whose sum is σ = 92992536. Its totient is φ = 23402752.

The previous prime is 47019871. The next prime is 47019887. The reversal of 47019872 is 27891074.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47019871) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4028 + ... + 10500.

It is an arithmetic number, because the mean of its divisors is an integer number (3874689).

Almost surely, 247019872 is an apocalyptic number.

It is an amenable number.

47019872 is a deficient number, since it is larger than the sum of its proper divisors (45972664).

47019872 is a wasteful number, since it uses less digits than its factorization.

47019872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6710 (or 6702 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 38.

The square root of 47019872 is about 6857.1037617933. The cubic root of 47019872 is about 360.9334622600.

The spelling of 47019872 in words is "forty-seven million, nineteen thousand, eight hundred seventy-two".

Divisors: 1 2 4 8 16 32 227 454 908 1816 3632 6473 7264 12946 25892 51784 103568 207136 1469371 2938742 5877484 11754968 23509936 47019872