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23013600 = 2535243223
BaseRepresentation
bin101011111001…
…0100011100000
31121022012201120
41113302203200
521342413400
62141132240
7366420021
oct127624340
947265646
1023013600
1111a99505
12785a080
1349ca01c
1430b0c48
152048ca0
hex15f28e0

23013600 has 144 divisors (see below), whose sum is σ = 76995072. Its totient is φ = 5967360.

The previous prime is 23013589. The next prime is 23013611. The reversal of 23013600 is 631032.

It is an interprime number because it is at equal distance from previous prime (23013589) and next prime (23013611).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 23013600.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 103089 + ... + 103311.

It is an arithmetic number, because the mean of its divisors is an integer number (534688).

Almost surely, 223013600 is an apocalyptic number.

23013600 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23013600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38497536).

23013600 is an abundant number, since it is smaller than the sum of its proper divisors (53981472).

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

23013600 is a wasteful number, since it uses less digits than its factorization.

23013600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289 (or 276 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 23013600 is about 4797.2492117879. The cubic root of 23013600 is about 284.4427399710.

Adding to 23013600 its reverse (631032), we get a palindrome (23644632).

The spelling of 23013600 in words is "twenty-three million, thirteen thousand, six hundred".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 32 40 43 48 50 60 75 80 86 96 100 120 129 150 160 172 200 215 223 240 258 300 344 400 430 446 480 516 600 645 669 688 800 860 892 1032 1075 1115 1200 1290 1338 1376 1720 1784 2064 2150 2230 2400 2580 2676 3225 3345 3440 3568 4128 4300 4460 5160 5352 5575 6450 6690 6880 7136 8600 8920 9589 10320 10704 11150 12900 13380 16725 17200 17840 19178 20640 21408 22300 25800 26760 28767 33450 34400 35680 38356 44600 47945 51600 53520 57534 66900 76712 89200 95890 103200 107040 115068 133800 143835 153424 178400 191780 230136 239725 267600 287670 306848 383560 460272 479450 535200 575340 719175 767120 920544 958900 1150680 1438350 1534240 1917800 2301360 2876700 3835600 4602720 5753400 7671200 11506800 23013600