Search a number
-
+
23890416 = 2431145247
BaseRepresentation
bin101101100100…
…0100111110000
31122221202111020
41123020213300
522103443131
62212015440
7410031234
oct133104760
948852436
1023890416
1112538250
128001580
134c46154
14325c5c4
15216d996
hex16c89f0

23890416 has 40 divisors (see below), whose sum is σ = 67329024. Its totient is φ = 7239360.

The previous prime is 23890411. The next prime is 23890453. The reversal of 23890416 is 61409832.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23890411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22096 + ... + 23151.

Almost surely, 223890416 is an apocalyptic number.

It is an amenable number.

23890416 is an abundant number, since it is smaller than the sum of its proper divisors (43438608).

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

23890416 is a wasteful number, since it uses less digits than its factorization.

23890416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45269 (or 45263 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 23890416 is about 4887.7823192119. The cubic root of 23890416 is about 288.0102234025.

The spelling of 23890416 in words is "twenty-three million, eight hundred ninety thousand, four hundred sixteen".

Divisors: 1 2 3 4 6 8 11 12 16 22 24 33 44 48 66 88 132 176 264 528 45247 90494 135741 180988 271482 361976 497717 542964 723952 995434 1085928 1493151 1990868 2171856 2986302 3981736 5972604 7963472 11945208 23890416