Search a number
-
+
47099472 = 2437140177
BaseRepresentation
bin1011001110101…
…0111001010000
310021121220022220
42303222321100
544024140342
64401301040
71111224150
oct263527120
9107556286
1047099472
112464a592
1213934780
1399b1114
146380760
1542055ec
hex2ceae50

47099472 has 40 divisors (see below), whose sum is σ = 139056576. Its totient is φ = 13456896.

The previous prime is 47099453. The next prime is 47099497. The reversal of 47099472 is 27499074.

47099472 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

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, 69753 + ... + 70424.

Almost surely, 247099472 is an apocalyptic number.

47099472 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

47099472 is an abundant number, since it is smaller than the sum of its proper divisors (91957104).

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

47099472 is a wasteful number, since it uses less digits than its factorization.

47099472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140195 (or 140189 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 42.

The square root of 47099472 is about 6862.9055071449. The cubic root of 47099472 is about 361.1370223371.

The spelling of 47099472 in words is "forty-seven million, ninety-nine thousand, four hundred seventy-two".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 42 48 56 84 112 168 336 140177 280354 420531 560708 841062 981239 1121416 1682124 1962478 2242832 2943717 3364248 3924956 5887434 6728496 7849912 11774868 15699824 23549736 47099472