Search a number
-
+
20535792 = 2431732473
BaseRepresentation
bin100111001010…
…1100111110000
31102122022210220
41032111213300
520224121132
62012053040
7336360054
oct116254760
942568726
1020535792
1110656932
126a64180
134340274
142a27c64
151c09a2c
hex13959f0

20535792 has 40 divisors (see below), whose sum is σ = 53379024. Its totient is φ = 6802944.

The previous prime is 20535791. The next prime is 20535797. The reversal of 20535792 is 29753502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20535791) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 7068 + ... + 9540.

Almost surely, 220535792 is an apocalyptic number.

It is an amenable number.

20535792 is an abundant number, since it is smaller than the sum of its proper divisors (32843232).

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

20535792 is a wasteful number, since it uses less digits than its factorization.

20535792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2657 (or 2651 counting only the distinct ones).

The product of its (nonzero) digits is 18900, while the sum is 33.

The square root of 20535792 is about 4531.6434105079. The cubic root of 20535792 is about 273.8443714579.

The spelling of 20535792 in words is "twenty million, five hundred thirty-five thousand, seven hundred ninety-two".

Divisors: 1 2 3 4 6 8 12 16 24 48 173 346 519 692 1038 1384 2076 2473 2768 4152 4946 7419 8304 9892 14838 19784 29676 39568 59352 118704 427829 855658 1283487 1711316 2566974 3422632 5133948 6845264 10267896 20535792