Search a number
-
+
23046240 = 25357193
BaseRepresentation
bin101011111101…
…0100001100000
31121100212111110
41113322201200
521344434430
62141543320
7366614130
oct127724140
947325443
1023046240
1112010a88
127874b40
134a0bb39
1430bcac0
1520537b0
hex15fa860

23046240 has 192 divisors, whose sum is σ = 87575040. Its totient is φ = 4990464.

The previous prime is 23046239. The next prime is 23046313. The reversal of 23046240 is 4264032.

It is a super-2 number, since 2×230462402 = 1062258356275200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1212951 + ... + 1212969.

It is an arithmetic number, because the mean of its divisors is an integer number (456120).

Almost surely, 223046240 is an apocalyptic number.

23046240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23046240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43787520).

23046240 is an abundant number, since it is smaller than the sum of its proper divisors (64528800).

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

23046240 is an equidigital number, since it uses as much as digits as its factorization.

23046240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82 (or 36 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 23046240 is about 4800.6499559955. The cubic root of 23046240 is about 284.5771507143.

The spelling of 23046240 in words is "twenty-three million, forty-six thousand, two hundred forty".