Search a number
-
+
113741481 = 376078923
BaseRepresentation
bin1101100011110…
…00111010101001
321221000122222110
412301320322221
5213104211411
615141512533
72550533550
oct661707251
9257018873
10113741481
1159227727
1232112749
131a745369
141116ad97
159ebb2a6
hex6c78ea9

113741481 has 16 divisors (see below), whose sum is σ = 173625344. Its totient is φ = 64880784.

The previous prime is 113741479. The next prime is 113741489. The reversal of 113741481 is 184147311.

It is not a de Polignac number, because 113741481 - 21 = 113741479 is a prime.

It is a super-2 number, since 2×1137414812 = 25874249000146722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113741489) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8286 + ... + 17208.

It is an arithmetic number, because the mean of its divisors is an integer number (10851584).

Almost surely, 2113741481 is an apocalyptic number.

It is an amenable number.

113741481 is a deficient number, since it is larger than the sum of its proper divisors (59883863).

113741481 is an equidigital number, since it uses as much as digits as its factorization.

113741481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9540.

The product of its digits is 2688, while the sum is 30.

The square root of 113741481 is about 10664.9651194929. The cubic root of 113741481 is about 484.5139581116.

Adding to 113741481 its reverse (184147311), we get a palindrome (297888792).

The spelling of 113741481 in words is "one hundred thirteen million, seven hundred forty-one thousand, four hundred eighty-one".

Divisors: 1 3 7 21 607 1821 4249 8923 12747 26769 62461 187383 5416261 16248783 37913827 113741481