Search a number
-
+
207423420 = 223513212617
BaseRepresentation
bin11000101110100…
…00011110111100
3112110022012102220
430113100132330
5411100022140
632325445340
75066033001
oct1427203674
9473265386
10207423420
11a70a3316
1259570850
1333c86169
141d7958a8
1513323bd0
hexc5d07bc

207423420 has 48 divisors (see below), whose sum is σ = 581447328. Its totient is φ = 55249920.

The previous prime is 207423413. The next prime is 207423421. The reversal of 207423420 is 24324702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (207423421) 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, 77952 + ... + 80568.

It is an arithmetic number, because the mean of its divisors is an integer number (12113486).

Almost surely, 2207423420 is an apocalyptic number.

207423420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

207423420 is an abundant number, since it is smaller than the sum of its proper divisors (374023908).

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

207423420 is a wasteful number, since it uses less digits than its factorization.

207423420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3950 (or 3948 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 24.

The square root of 207423420 is about 14402.2019149851. The cubic root of 207423420 is about 591.9512339608.

The spelling of 207423420 in words is "two hundred seven million, four hundred twenty-three thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 1321 2617 2642 3963 5234 5284 6605 7851 7926 10468 13085 13210 15702 15852 19815 26170 26420 31404 39255 39630 52340 78510 79260 157020 3457057 6914114 10371171 13828228 17285285 20742342 34570570 41484684 51855855 69141140 103711710 207423420