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47887374 = 2331257459
BaseRepresentation
bin1011011010101…
…1010000001110
310100002221010110
42312223100032
544224343444
64430220450
71121015223
oct266532016
9110087113
1047887374
1125038547
1214054726
139bc8932
14650794a
15430dcb9
hex2dab40e

47887374 has 16 divisors (see below), whose sum is σ = 98864640. Its totient is φ = 15447480.

The previous prime is 47887373. The next prime is 47887387. The reversal of 47887374 is 47378874.

47887374 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47887373) 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 7 ways as a sum of consecutive naturals, for example, 128544 + ... + 128915.

It is an arithmetic number, because the mean of its divisors is an integer number (6179040).

Almost surely, 247887374 is an apocalyptic number.

47887374 is an abundant number, since it is smaller than the sum of its proper divisors (50977266).

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

47887374 is a wasteful number, since it uses less digits than its factorization.

47887374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257495.

The product of its digits is 1053696, while the sum is 48.

The square root of 47887374 is about 6920.0703753647. The cubic root of 47887374 is about 363.1396528738.

The spelling of 47887374 in words is "forty-seven million, eight hundred eighty-seven thousand, three hundred seventy-four".

Divisors: 1 2 3 6 31 62 93 186 257459 514918 772377 1544754 7981229 15962458 23943687 47887374