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113247550 = 25213592953
BaseRepresentation
bin1101100000000…
…00010100111110
321220002120102201
412300000110332
5212442410200
615123142114
72543405533
oct660002476
9256076381
10113247550
1158a1a619
1231b1493a
131a6015b0
141107cd8a
159e1ec6a
hex6c0053e

113247550 has 48 divisors (see below), whose sum is σ = 230766480. Its totient is φ = 41091840.

The previous prime is 113247499. The next prime is 113247559. The reversal of 113247550 is 55742311.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113247559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36874 + ... + 39826.

It is an arithmetic number, because the mean of its divisors is an integer number (4807635).

Almost surely, 2113247550 is an apocalyptic number.

113247550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

113247550 is an abundant number, since it is smaller than the sum of its proper divisors (117518930).

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

113247550 is a wasteful number, since it uses less digits than its factorization.

113247550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3037 (or 3032 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 113247550 is about 10641.7832152323. The cubic root of 113247550 is about 483.8115942465.

Adding to 113247550 its reverse (55742311), we get a palindrome (168989861).

The spelling of 113247550 in words is "one hundred thirteen million, two hundred forty-seven thousand, five hundred fifty".

Divisors: 1 2 5 10 13 25 26 50 59 65 118 130 295 325 590 650 767 1475 1534 2950 2953 3835 5906 7670 14765 19175 29530 38350 38389 73825 76778 147650 174227 191945 348454 383890 871135 959725 1742270 1919450 2264951 4355675 4529902 8711350 11324755 22649510 56623775 113247550