Search a number
-
+
20373792 = 253212227
BaseRepresentation
bin100110110111…
…0000100100000
31102100002120220
41031232010200
520203430132
62004403040
7335113545
oct115560440
942302526
1020373792
111055614a
1269a6480
1342b45ca
1429c4bcc
151bc6a2c
hex136e120

20373792 has 24 divisors (see below), whose sum is σ = 53481456. Its totient is φ = 6791232.

The previous prime is 20373781. The next prime is 20373799. The reversal of 20373792 is 29737302.

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (20373799) 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, 106018 + ... + 106209.

It is an arithmetic number, because the mean of its divisors is an integer number (2228394).

Almost surely, 220373792 is an apocalyptic number.

It is an amenable number.

20373792 is an abundant number, since it is smaller than the sum of its proper divisors (33107664).

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

20373792 is a wasteful number, since it uses less digits than its factorization.

20373792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212240 (or 212232 counting only the distinct ones).

The product of its (nonzero) digits is 15876, while the sum is 33.

The square root of 20373792 is about 4513.7337094694. The cubic root of 20373792 is about 273.1223806929.

The spelling of 20373792 in words is "twenty million, three hundred seventy-three thousand, seven hundred ninety-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 212227 424454 636681 848908 1273362 1697816 2546724 3395632 5093448 6791264 10186896 20373792