Search a number
-
+
232204520 = 2355805113
BaseRepresentation
bin11011101011100…
…10100011101000
3121011221012201102
431311302203220
5433421021040
635012540532
75516464052
oct1565624350
9534835642
10232204520
1110a089769
1265921748
1339151832
1422ba68d2
15155bb515
hexdd728e8

232204520 has 16 divisors (see below), whose sum is σ = 522460260. Its totient is φ = 92881792.

The previous prime is 232204519. The next prime is 232204523. The reversal of 232204520 is 25402232.

It can be written as a sum of positive squares in 2 ways, for example, as 215443684 + 16760836 = 14678^2 + 4094^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 232204492 and 232204501.

It is not an unprimeable number, because it can be changed into a prime (232204523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2902517 + ... + 2902596.

Almost surely, 2232204520 is an apocalyptic number.

232204520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

232204520 is an abundant number, since it is smaller than the sum of its proper divisors (290255740).

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

232204520 is a wasteful number, since it uses less digits than its factorization.

232204520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5805124 (or 5805120 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 232204520 is about 15238.2584306738. The cubic root of 232204520 is about 614.6438725183.

Adding to 232204520 its reverse (25402232), we get a palindrome (257606752).

The spelling of 232204520 in words is "two hundred thirty-two million, two hundred four thousand, five hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 5805113 11610226 23220452 29025565 46440904 58051130 116102260 232204520