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23135200 = 2552112239
BaseRepresentation
bin101100001000…
…0001111100000
31121112101112021
41120100033200
521410311300
62143511224
7400434364
oct130201740
947471467
1023135200
1112071900
1278b8514
134a4048a
1431032a4
15206ed1a
hex16103e0

23135200 has 108 divisors (see below), whose sum is σ = 62339760. Its totient is φ = 8377600.

The previous prime is 23135197. The next prime is 23135251. The reversal of 23135200 is 253132.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 96681 + ... + 96919.

It is an arithmetic number, because the mean of its divisors is an integer number (577220).

Almost surely, 223135200 is an apocalyptic number.

23135200 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 23135200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31169880).

23135200 is an abundant number, since it is smaller than the sum of its proper divisors (39204560).

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

23135200 is a wasteful number, since it uses less digits than its factorization.

23135200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281 (or 257 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 23135200 is about 4809.9064439966. The cubic root of 23135200 is about 284.9428427493.

Adding to 23135200 its reverse (253132), we get a palindrome (23388332).

The spelling of 23135200 in words is "twenty-three million, one hundred thirty-five thousand, two hundred".

Divisors: 1 2 4 5 8 10 11 16 20 22 25 32 40 44 50 55 80 88 100 110 121 160 176 200 220 239 242 275 352 400 440 478 484 550 605 800 880 956 968 1100 1195 1210 1760 1912 1936 2200 2390 2420 2629 3025 3824 3872 4400 4780 4840 5258 5975 6050 7648 8800 9560 9680 10516 11950 12100 13145 19120 19360 21032 23900 24200 26290 28919 38240 42064 47800 48400 52580 57838 65725 84128 95600 96800 105160 115676 131450 144595 191200 210320 231352 262900 289190 420640 462704 525800 578380 722975 925408 1051600 1156760 1445950 2103200 2313520 2891900 4627040 5783800 11567600 23135200