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20363934 = 2319732447
BaseRepresentation
bin100110110101…
…1101010011110
31102022121001210
41031223222132
520203121214
62004245250
7335043033
oct115535236
942277053
1020363934
11105497a8
1269a0826
1342acc86
1429c138a
151bc3b59
hex136ba9e

20363934 has 32 divisors (see below), whose sum is σ = 43476480. Its totient is φ = 6340032.

The previous prime is 20363933. The next prime is 20363957. The reversal of 20363934 is 43936302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20363933) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7099 + ... + 9545.

It is an arithmetic number, because the mean of its divisors is an integer number (1358640).

Almost surely, 220363934 is an apocalyptic number.

20363934 is an abundant number, since it is smaller than the sum of its proper divisors (23112546).

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

20363934 is a wasteful number, since it uses less digits than its factorization.

20363934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2544.

The product of its (nonzero) digits is 11664, while the sum is 30.

The square root of 20363934 is about 4512.6415767264. The cubic root of 20363934 is about 273.0783228693.

The spelling of 20363934 in words is "twenty million, three hundred sixty-three thousand, nine hundred thirty-four".

Divisors: 1 2 3 6 19 38 57 73 114 146 219 438 1387 2447 2774 4161 4894 7341 8322 14682 46493 92986 139479 178631 278958 357262 535893 1071786 3393989 6787978 10181967 20363934