Search a number
-
+
20369754 = 2321131653
BaseRepresentation
bin100110110110…
…1000101011010
31102022220001100
41031231011122
520203313004
62004332230
7335066016
oct115550532
942286040
1020369754
1110553109
1269a4076
1342b2812
1429c3546
151bc5739
hex136d15a

20369754 has 12 divisors (see below), whose sum is σ = 44134506. Its totient is φ = 6789912.

The previous prime is 20369747. The next prime is 20369761. The reversal of 20369754 is 45796302.

It is an interprime number because it is at equal distance from previous prime (20369747) and next prime (20369761).

It can be written as a sum of positive squares in only one way, i.e., 19847025 + 522729 = 4455^2 + 723^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 565809 + ... + 565844.

Almost surely, 220369754 is an apocalyptic number.

20369754 is an abundant number, since it is smaller than the sum of its proper divisors (23764752).

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

20369754 is a wasteful number, since it uses less digits than its factorization.

20369754 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1131661 (or 1131658 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 20369754 is about 4513.2863857726. The cubic root of 20369754 is about 273.1043355978.

The spelling of 20369754 in words is "twenty million, three hundred sixty-nine thousand, seven hundred fifty-four".

Divisors: 1 2 3 6 9 18 1131653 2263306 3394959 6789918 10184877 20369754