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20368935 = 335150881
BaseRepresentation
bin100110110110…
…0111000100111
31102022211221000
41031230320213
520203301220
62004324343
7335063436
oct115547047
942284830
1020368935
1110552534
1269a36b3
1342b2332
1429c311d
151bc5390
hex136ce27

20368935 has 16 divisors (see below), whose sum is σ = 36211680. Its totient is φ = 10863360.

The previous prime is 20368927. The next prime is 20368951. The reversal of 20368935 is 53986302.

It is not a de Polignac number, because 20368935 - 23 = 20368927 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20368935.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75306 + ... + 75575.

It is an arithmetic number, because the mean of its divisors is an integer number (2263230).

Almost surely, 220368935 is an apocalyptic number.

20368935 is a deficient number, since it is larger than the sum of its proper divisors (15842745).

20368935 is a wasteful number, since it uses less digits than its factorization.

20368935 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150895 (or 150889 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 20368935 is about 4513.1956527498. The cubic root of 20368935 is about 273.1006753433.

The spelling of 20368935 in words is "twenty million, three hundred sixty-eight thousand, nine hundred thirty-five".

Divisors: 1 3 5 9 15 27 45 135 150881 452643 754405 1357929 2263215 4073787 6789645 20368935