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20486332 = 22191092473
BaseRepresentation
bin100111000100…
…1100010111100
31102112210222001
41032021202330
520221030312
62011032044
7336062626
oct116114274
942483861
1020486332
1110622759
126a3b624
1343238b9
142a13c16
151bea057
hex13898bc

20486332 has 24 divisors (see below), whose sum is σ = 38099600. Its totient is φ = 9611136.

The previous prime is 20486299. The next prime is 20486339. The reversal of 20486332 is 23368402.

It is a self number, because there is not a number n which added to its sum of digits gives 20486332.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20486339) 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, 7048 + ... + 9520.

Almost surely, 220486332 is an apocalyptic number.

It is an amenable number.

20486332 is a deficient number, since it is larger than the sum of its proper divisors (17613268).

20486332 is a wasteful number, since it uses less digits than its factorization.

20486332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2605 (or 2603 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 20486332 is about 4526.1829392989. The cubic root of 20486332 is about 273.6243453537.

The spelling of 20486332 in words is "twenty million, four hundred eighty-six thousand, three hundred thirty-two".

Divisors: 1 2 4 19 38 76 109 218 436 2071 2473 4142 4946 8284 9892 46987 93974 187948 269557 539114 1078228 5121583 10243166 20486332