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23058540 = 2233542701
BaseRepresentation
bin101011111110…
…1100001101100
31121101111101000
41113331201230
521400333130
62142120300
7366665031
oct127754154
947344330
1023058540
111201a24a
127880090
134a1460b
1430c3388
152057260
hex15fd86c

23058540 has 48 divisors (see below), whose sum is σ = 71739360. Its totient is φ = 6148800.

The previous prime is 23058521. The next prime is 23058569. The reversal of 23058540 is 4585032.

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 20811 + ... + 21890.

It is an arithmetic number, because the mean of its divisors is an integer number (1494570).

Almost surely, 223058540 is an apocalyptic number.

23058540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23058540 is an abundant number, since it is smaller than the sum of its proper divisors (48680820).

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

23058540 is a wasteful number, since it uses less digits than its factorization.

23058540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42719 (or 42711 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 23058540 is about 4801.9308616431. The cubic root of 23058540 is about 284.6277688979.

The spelling of 23058540 in words is "twenty-three million, fifty-eight thousand, five hundred forty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 27 30 36 45 54 60 90 108 135 180 270 540 42701 85402 128103 170804 213505 256206 384309 427010 512412 640515 768618 854020 1152927 1281030 1537236 1921545 2305854 2562060 3843090 4611708 5764635 7686180 11529270 23058540