Search a number
-
+
47045634 = 23194091009
BaseRepresentation
bin1011001101110…
…1110000000010
310021112011110220
42303131300002
544020430014
64400203510
71110611166
oct263356002
9107464426
1047045634
1124613099
1213909596
13999276c
146368ca6
1541e46a9
hex2cddc02

47045634 has 32 divisors (see below), whose sum is σ = 99384000. Its totient is φ = 14805504.

The previous prime is 47045623. The next prime is 47045639. The reversal of 47045634 is 43654074.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 47045595 and 47045604.

It is not an unprimeable number, because it can be changed into a prime (47045639) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46122 + ... + 47130.

It is an arithmetic number, because the mean of its divisors is an integer number (3105750).

Almost surely, 247045634 is an apocalyptic number.

47045634 is an abundant number, since it is smaller than the sum of its proper divisors (52338366).

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

47045634 is a wasteful number, since it uses less digits than its factorization.

47045634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1442.

The product of its (nonzero) digits is 40320, while the sum is 33.

The square root of 47045634 is about 6858.9819944362. The cubic root of 47045634 is about 360.9993682256. Note that the first 3 decimals are identical.

The spelling of 47045634 in words is "forty-seven million, forty-five thousand, six hundred thirty-four".

Divisors: 1 2 3 6 19 38 57 114 409 818 1009 1227 2018 2454 3027 6054 7771 15542 19171 23313 38342 46626 57513 115026 412681 825362 1238043 2476086 7840939 15681878 23522817 47045634