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113261442 = 23722571499
BaseRepresentation
bin1101100000000…
…11101110000010
321220010021111020
412300003232002
5212443331232
615123330310
72543464200
oct660035602
9256107436
10113261442
1158a29aa8
1231b20996
131a607a08
1411084070
159e23e2c
hex6c03b82

113261442 has 48 divisors (see below), whose sum is σ = 264708000. Its totient is φ = 32212992.

The previous prime is 113261437. The next prime is 113261461. The reversal of 113261442 is 244162311.

It is an unprimeable number.

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, 74809 + ... + 76307.

It is an arithmetic number, because the mean of its divisors is an integer number (5514750).

Almost surely, 2113261442 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 113261442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132354000).

113261442 is an abundant number, since it is smaller than the sum of its proper divisors (151446558).

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

113261442 is a wasteful number, since it uses less digits than its factorization.

113261442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1775 (or 1768 counting only the distinct ones).

The product of its digits is 1152, while the sum is 24.

The square root of 113261442 is about 10642.4359053743. The cubic root of 113261442 is about 483.8313763842.

The spelling of 113261442 in words is "one hundred thirteen million, two hundred sixty-one thousand, four hundred forty-two".

Divisors: 1 2 3 6 7 14 21 42 49 98 147 257 294 514 771 1499 1542 1799 2998 3598 4497 5397 8994 10493 10794 12593 20986 25186 31479 37779 62958 73451 75558 146902 220353 385243 440706 770486 1155729 2311458 2696701 5393402 8090103 16180206 18876907 37753814 56630721 113261442