Search a number
-
+
23985146 = 229413537
BaseRepresentation
bin101101101111…
…1101111111010
31200010120102202
41123133233322
522120011041
62214030202
7410604353
oct133375772
950116382
1023985146
11125a2439
128048362
134c7a2c3
143284d2a
15218ba9b
hex16dfbfa

23985146 has 8 divisors (see below), whose sum is σ = 37218420. Its totient is φ = 11579008.

The previous prime is 23985133. The next prime is 23985151. The reversal of 23985146 is 64158932.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 22934521 + 1050625 = 4789^2 + 1025^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 206711 + ... + 206826.

Almost surely, 223985146 is an apocalyptic number.

23985146 is a deficient number, since it is larger than the sum of its proper divisors (13233274).

23985146 is a wasteful number, since it uses less digits than its factorization.

23985146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413568.

The product of its digits is 51840, while the sum is 38.

The square root of 23985146 is about 4897.4632208930. The cubic root of 23985146 is about 288.3903929605.

The spelling of 23985146 in words is "twenty-three million, nine hundred eighty-five thousand, one hundred forty-six".

Divisors: 1 2 29 58 413537 827074 11992573 23985146