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113211424 = 2519792357
BaseRepresentation
bin1101011111101…
…11100000100000
321220000201212201
412233313200200
5212440231144
615122302544
72543165314
oct657674040
9256021781
10113211424
11589a5467
1231ab7a54
131a5bb011
141106db44
159e141d4
hex6bf7820

113211424 has 48 divisors (see below), whose sum is σ = 237686400. Its totient is φ = 52925184.

The previous prime is 113211421. The next prime is 113211431. The reversal of 113211424 is 424112311.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is not an unprimeable number, because it can be changed into a prime (113211421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46854 + ... + 49210.

It is an arithmetic number, because the mean of its divisors is an integer number (4951800).

Almost surely, 2113211424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 113211424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118843200).

113211424 is an abundant number, since it is smaller than the sum of its proper divisors (124474976).

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

113211424 is a wasteful number, since it uses less digits than its factorization.

113211424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2465 (or 2457 counting only the distinct ones).

The product of its digits is 192, while the sum is 19.

The square root of 113211424 is about 10640.0857139405. The cubic root of 113211424 is about 483.7601434307.

Adding to 113211424 its reverse (424112311), we get a palindrome (537323735).

The spelling of 113211424 in words is "one hundred thirteen million, two hundred eleven thousand, four hundred twenty-four".

Divisors: 1 2 4 8 16 19 32 38 76 79 152 158 304 316 608 632 1264 1501 2357 2528 3002 4714 6004 9428 12008 18856 24016 37712 44783 48032 75424 89566 179132 186203 358264 372406 716528 744812 1433056 1489624 2979248 3537857 5958496 7075714 14151428 28302856 56605712 113211424