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23902430 = 252390243
BaseRepresentation
bin101101100101…
…1100011011110
31122222100222012
41123023203132
522104334210
62212151222
7410111246
oct133134336
948870865
1023902430
1112546282
128008512
134c4b766
143262b26
152172305
hex16cb8de

23902430 has 8 divisors (see below), whose sum is σ = 43024392. Its totient is φ = 9560968.

The previous prime is 23902429. The next prime is 23902433. The reversal of 23902430 is 3420932.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 23902396 and 23902405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23902433) 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, 1195112 + ... + 1195131.

It is an arithmetic number, because the mean of its divisors is an integer number (5378049).

Almost surely, 223902430 is an apocalyptic number.

23902430 is a deficient number, since it is larger than the sum of its proper divisors (19121962).

23902430 is a wasteful number, since it uses less digits than its factorization.

23902430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2390250.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 23902430 is about 4889.0111474612. The cubic root of 23902430 is about 288.0584934560.

The spelling of 23902430 in words is "twenty-three million, nine hundred two thousand, four hundred thirty".

Divisors: 1 2 5 10 2390243 4780486 11951215 23902430