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20230038 = 2324359443
BaseRepresentation
bin100110100101…
…0111110010110
31102001210101200
41031022332112
520134330123
62001333330
7333644463
oct115127626
942053350
1020230038
1110468144
126937246
13426404a
14298866a
151b99143
hex134af96

20230038 has 48 divisors (see below), whose sum is σ = 45714240. Its totient is φ = 6460272.

The previous prime is 20230037. The next prime is 20230039. The reversal of 20230038 is 83003202.

It is an interprime number because it is at equal distance from previous prime (20230037) and next prime (20230039).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a self number, because there is not a number n which added to its sum of digits gives 20230038.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20230031) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45445 + ... + 45887.

It is an arithmetic number, because the mean of its divisors is an integer number (952380).

Almost surely, 220230038 is an apocalyptic number.

20230038 is an abundant number, since it is smaller than the sum of its proper divisors (25484202).

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

20230038 is a wasteful number, since it uses less digits than its factorization.

20230038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 553 (or 550 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 20230038 is about 4497.7814531166. The cubic root of 20230038 is about 272.4784956237.

The spelling of 20230038 in words is "twenty million, two hundred thirty thousand, thirty-eight".

Divisors: 1 2 3 6 9 18 43 59 86 118 129 177 258 354 387 443 531 774 886 1062 1329 2537 2658 3987 5074 7611 7974 15222 19049 22833 26137 38098 45666 52274 57147 78411 114294 156822 171441 235233 342882 470466 1123891 2247782 3371673 6743346 10115019 20230038