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232620643 = 2310113941
BaseRepresentation
bin11011101110110…
…00001001100011
3121012201100112101
431313120021203
5434022330033
635025511231
75523146203
oct1567301143
9535640471
10232620643
1110a343372
1265aa2517
1339269068
1422c74403
151564e97d
hexddd8263

232620643 has 4 divisors (see below), whose sum is σ = 242734608. Its totient is φ = 222506680.

The previous prime is 232620601. The next prime is 232620677. The reversal of 232620643 is 346026232.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 232620643 - 29 = 232620131 is a prime.

It is a super-2 number, since 2×2326206432 = 108224727099466898, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (232620943) 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, 5056948 + ... + 5056993.

It is an arithmetic number, because the mean of its divisors is an integer number (60683652).

Almost surely, 2232620643 is an apocalyptic number.

232620643 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

232620643 is a deficient number, since it is larger than the sum of its proper divisors (10113965).

232620643 is a wasteful number, since it uses less digits than its factorization.

232620643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10113964.

The product of its (nonzero) digits is 10368, while the sum is 28.

The square root of 232620643 is about 15251.9062087334. The cubic root of 232620643 is about 615.0108117164.

Adding to 232620643 its reverse (346026232), we get a palindrome (578646875).

The spelling of 232620643 in words is "two hundred thirty-two million, six hundred twenty thousand, six hundred forty-three".

Divisors: 1 23 10113941 232620643