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113540445 = 32531199409
BaseRepresentation
bin1101100010001…
…11110101011101
321220122110012200
412301013311131
5213031243240
615133322113
72546035464
oct661076535
9256573180
10113540445
11590aa687
1232036339
131a6a49c5
14111179db
159e7b930
hex6c47d5d

113540445 has 48 divisors (see below), whose sum is σ = 204672000. Its totient is φ = 58164480.

The previous prime is 113540429. The next prime is 113540503. The reversal of 113540445 is 544045311.

It is a happy number.

113540445 is a `hidden beast` number, since 113 + 540 + 4 + 4 + 5 = 666.

It is not a de Polignac number, because 113540445 - 24 = 113540429 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 277401 + ... + 277809.

It is an arithmetic number, because the mean of its divisors is an integer number (4264000).

Almost surely, 2113540445 is an apocalyptic number.

113540445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

113540445 is a deficient number, since it is larger than the sum of its proper divisors (91131555).

113540445 is a wasteful number, since it uses less digits than its factorization.

113540445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 650 (or 647 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 113540445 is about 10655.5358851632. The cubic root of 113540445 is about 484.2283332288.

Adding to 113540445 its reverse (544045311), we get a palindrome (657585756).

The spelling of 113540445 in words is "one hundred thirteen million, five hundred forty thousand, four hundred forty-five".

Divisors: 1 3 5 9 15 31 45 93 155 199 279 409 465 597 995 1227 1395 1791 2045 2985 3681 6135 6169 8955 12679 18405 18507 30845 38037 55521 63395 81391 92535 114111 190185 244173 277605 406955 570555 732519 1220865 2523121 3662595 7569363 12615605 22708089 37846815 113540445