[go: up one dir, main page]

Search a number
-
+
23800257 = 331367807
BaseRepresentation
bin101101011001…
…0100111000001
31122210011211000
41122302213001
522043102012
62210042213
7406204335
oct132624701
948704730
1023800257
1112486538
127b79369
134c140c0
1432377c5
152151ddc
hex16b29c1

23800257 has 16 divisors (see below), whose sum is σ = 37972480. Its totient is φ = 14646096.

The previous prime is 23800253. The next prime is 23800261. The reversal of 23800257 is 75200832.

It is an interprime number because it is at equal distance from previous prime (23800253) and next prime (23800261).

It is not a de Polignac number, because 23800257 - 22 = 23800253 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 23800257.

It is not an unprimeable number, because it can be changed into a prime (23800253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33553 + ... + 34254.

It is an arithmetic number, because the mean of its divisors is an integer number (2373280).

Almost surely, 223800257 is an apocalyptic number.

23800257 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

23800257 is a deficient number, since it is larger than the sum of its proper divisors (14172223).

23800257 is a wasteful number, since it uses less digits than its factorization.

23800257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67829 (or 67823 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 23800257 is about 4878.5507069211. The cubic root of 23800257 is about 287.6474636070.

The spelling of 23800257 in words is "twenty-three million, eight hundred thousand, two hundred fifty-seven".

Divisors: 1 3 9 13 27 39 117 351 67807 203421 610263 881491 1830789 2644473 7933419 23800257