Search a number
-
+
624272020 = 225220714143
BaseRepresentation
bin100101001101011…
…010001010010100
31121111200022012221
4211031122022110
52234303201040
6141540152124
721320140021
oct4515321224
91544608187
10624272020
112a0426899
12155098644
139c446638
145cca4548
1539c1474a
hex2535a294

624272020 has 24 divisors (see below), whose sum is σ = 1311657984. Its totient is φ = 249578016.

The previous prime is 624271997. The next prime is 624272021. The reversal of 624272020 is 20272426.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (624272021) 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, 37069 + ... + 51211.

It is an arithmetic number, because the mean of its divisors is an integer number (54652416).

Almost surely, 2624272020 is an apocalyptic number.

It is an amenable number.

624272020 is an abundant number, since it is smaller than the sum of its proper divisors (687385964).

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

624272020 is a wasteful number, since it uses less digits than its factorization.

624272020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16359 (or 16357 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 25.

The square root of 624272020 is about 24985.4361578901. The cubic root of 624272020 is about 854.6558901611.

The spelling of 624272020 in words is "six hundred twenty-four million, two hundred seventy-two thousand, twenty".

Divisors: 1 2 4 5 10 20 2207 4414 8828 11035 14143 22070 28286 44140 56572 70715 141430 282860 31213601 62427202 124854404 156068005 312136010 624272020