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47816142 = 2311724487
BaseRepresentation
bin1011011001100…
…1110111001110
310022222022102020
42312121313032
544220104032
64424511010
71120300443
oct266316716
9108868366
1047816142
1124a99a80
121401b466
139ba239a
1464c99ca
1542e7b2c
hex2d99dce

47816142 has 16 divisors (see below), whose sum is σ = 104326272. Its totient is φ = 14489720.

The previous prime is 47816117. The next prime is 47816159. The reversal of 47816142 is 24161874.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent 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, 362178 + ... + 362309.

It is an arithmetic number, because the mean of its divisors is an integer number (6520392).

Almost surely, 247816142 is an apocalyptic number.

47816142 is an abundant number, since it is smaller than the sum of its proper divisors (56510130).

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

47816142 is a wasteful number, since it uses less digits than its factorization.

47816142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 724503.

The product of its digits is 10752, while the sum is 33.

The square root of 47816142 is about 6914.9216915306. The cubic root of 47816142 is about 362.9595079635.

The spelling of 47816142 in words is "forty-seven million, eight hundred sixteen thousand, one hundred forty-two".

Divisors: 1 2 3 6 11 22 33 66 724487 1448974 2173461 4346922 7969357 15938714 23908071 47816142