Search a number
-
+
113031430 = 25233929
BaseRepresentation
bin1101011110010…
…11100100000110
321212200120222021
412233023210012
5212414001210
615114353354
72541515461
oct657134406
9255616867
10113031430
1158892206
1231a2b85a
131a557105
14110242d8
159dcabda
hex6bcb906

113031430 has 32 divisors (see below), whose sum is σ = 212932800. Its totient is φ = 43200256.

The previous prime is 113031409. The next prime is 113031467. The reversal of 113031430 is 34130311.

It is a super-4 number, since 4×1130314304 (a number of 33 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121206 + ... + 122134.

It is an arithmetic number, because the mean of its divisors is an integer number (6654150).

Almost surely, 2113031430 is an apocalyptic number.

113031430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

113031430 is a deficient number, since it is larger than the sum of its proper divisors (99901370).

113031430 is an frugal number, since it uses more digits than its factorization.

113031430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1005 (or 959 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 113031430 is about 10631.6240527964. The cubic root of 113031430 is about 483.5036318908.

Adding to 113031430 its reverse (34130311), we get a palindrome (147161741).

The spelling of 113031430 in words is "one hundred thirteen million, thirty-one thousand, four hundred thirty".

Divisors: 1 2 5 10 23 46 115 230 529 929 1058 1858 2645 4645 5290 9290 12167 21367 24334 42734 60835 106835 121670 213670 491441 982882 2457205 4914410 11303143 22606286 56515715 113031430