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20234328 = 233899473
BaseRepresentation
bin100110100110…
…0000001011000
31102002000021120
41031030001120
520134444303
62001405240
7333663132
oct115140130
942060246
1020234328
1110470394
126939820
134265c9a
14298a052
151b9a553
hex134c058

20234328 has 32 divisors (see below), whose sum is σ = 51159600. Its totient is φ = 6668288.

The previous prime is 20234311. The next prime is 20234329. The reversal of 20234328 is 82343202.

It is a super-2 number, since 2×202343282 = 818856059223168, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 20234298 and 20234307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20234329) 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, 2601 + ... + 6872.

Almost surely, 220234328 is an apocalyptic number.

It is an amenable number.

20234328 is an abundant number, since it is smaller than the sum of its proper divisors (30925272).

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

20234328 is a wasteful number, since it uses less digits than its factorization.

20234328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9571 (or 9567 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 20234328 is about 4498.2583296205. The cubic root of 20234328 is about 272.4977549404.

The spelling of 20234328 in words is "twenty million, two hundred thirty-four thousand, three hundred twenty-eight".

Divisors: 1 2 3 4 6 8 12 24 89 178 267 356 534 712 1068 2136 9473 18946 28419 37892 56838 75784 113676 227352 843097 1686194 2529291 3372388 5058582 6744776 10117164 20234328