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113512300 = 225211372789
BaseRepresentation
bin1101100010000…
…00111101101100
321220121000121021
412301000331230
5213024343200
615132543524
72545560436
oct661007554
9256530537
10113512300
1159090520
1232021ba4
131a694c55
141110b656
159e7341a
hex6c40f6c

113512300 has 72 divisors (see below), whose sum is σ = 276076080. Its totient is φ = 40147200.

The previous prime is 113512279. The next prime is 113512319. The reversal of 113512300 is 3215311.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39306 + ... + 42094.

It is an arithmetic number, because the mean of its divisors is an integer number (3834390).

Almost surely, 2113512300 is an apocalyptic number.

113512300 is a gapful number since it is divisible by the number (10) 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 113512300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138038040).

113512300 is an abundant number, since it is smaller than the sum of its proper divisors (162563780).

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

113512300 is a wasteful number, since it uses less digits than its factorization.

113512300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2851 (or 2844 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 16.

The square root of 113512300 is about 10654.2151282955. The cubic root of 113512300 is about 484.1883189041.

Adding to 113512300 its reverse (3215311), we get a palindrome (116727611).

The spelling of 113512300 in words is "one hundred thirteen million, five hundred twelve thousand, three hundred".

Divisors: 1 2 4 5 10 11 20 22 25 37 44 50 55 74 100 110 148 185 220 275 370 407 550 740 814 925 1100 1628 1850 2035 2789 3700 4070 5578 8140 10175 11156 13945 20350 27890 30679 40700 55780 61358 69725 103193 122716 139450 153395 206386 278900 306790 412772 515965 613580 766975 1031930 1135123 1533950 2063860 2270246 2579825 3067900 4540492 5159650 5675615 10319300 11351230 22702460 28378075 56756150 113512300