Search a number
-
+
20328762 = 233791571
BaseRepresentation
bin100110110001…
…1000100111010
31102020210211010
41031203010322
520201010022
62003414350
7334535346
oct115430472
942223733
1020328762
1110525333
1269843b6
134299c6c
1429b2626
151bb850c
hex136313a

20328762 has 16 divisors (see below), whose sum is σ = 41756832. Its totient is φ = 6593040.

The previous prime is 20328713. The next prime is 20328767. The reversal of 20328762 is 26782302.

It is not an unprimeable number, because it can be changed into a prime (20328767) 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, 45564 + ... + 46007.

It is an arithmetic number, because the mean of its divisors is an integer number (2609802).

Almost surely, 220328762 is an apocalyptic number.

20328762 is an abundant number, since it is smaller than the sum of its proper divisors (21428070).

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

20328762 is a wasteful number, since it uses less digits than its factorization.

20328762 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91613.

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 20328762 is about 4508.7428403048. The cubic root of 20328762 is about 272.9210145984.

The spelling of 20328762 in words is "twenty million, three hundred twenty-eight thousand, seven hundred sixty-two".

Divisors: 1 2 3 6 37 74 111 222 91571 183142 274713 549426 3388127 6776254 10164381 20328762