Search a number
-
+
23552300440 = 2351930989869
BaseRepresentation
bin10101111011110100…
…111001010110011000
32020210101210211100201
4111323310321112120
5341213342103230
614453023311544
71462435151644
oct257364712630
966711724321
1023552300440
119a96728a09
12469374b5b4
1322b4626766
1411d5db9c24
1592ca595ca
hex57bd39598

23552300440 has 32 divisors (see below), whose sum is σ = 55781766000. Its totient is φ = 8925081984.

The previous prime is 23552300417. The next prime is 23552300461. The reversal of 23552300440 is 4400325532.

It is a junction number, because it is equal to n+sod(n) for n = 23552300399 and 23552300408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15494175 + ... + 15495694.

Almost surely, 223552300440 is an apocalyptic number.

23552300440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23552300440 is an abundant number, since it is smaller than the sum of its proper divisors (32229465560).

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

23552300440 is a wasteful number, since it uses less digits than its factorization.

23552300440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30989899 (or 30989895 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 28.

Adding to 23552300440 its reverse (4400325532), we get a palindrome (27952625972).

The spelling of 23552300440 in words is "twenty-three billion, five hundred fifty-two million, three hundred thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 19 20 38 40 76 95 152 190 380 760 30989869 61979738 123959476 154949345 247918952 309898690 588807511 619797380 1177615022 1239594760 2355230044 2944037555 4710460088 5888075110 11776150220 23552300440