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11630740 = 22511291823
BaseRepresentation
bin101100010111…
…100010010100
3210212220101011
4230113202110
510434140430
61053142004
7200600602
oct54274224
923786334
1011630740
116624390
123a8a904
132542bc4
14178a872
15104b22a
hexb17894

11630740 has 48 divisors (see below), whose sum is σ = 27578880. Its totient is φ = 4081280.

The previous prime is 11630701. The next prime is 11630777. The reversal of 11630740 is 4703611.

It is a super-2 number, since 2×116307402 = 270548225895200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 5469 + ... + 7291.

It is an arithmetic number, because the mean of its divisors is an integer number (574560).

Almost surely, 211630740 is an apocalyptic number.

11630740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11630740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13789440).

11630740 is an abundant number, since it is smaller than the sum of its proper divisors (15948140).

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

11630740 is a wasteful number, since it uses less digits than its factorization.

11630740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1872 (or 1870 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 11630740 is about 3410.3870748054. The cubic root of 11630740 is about 226.5700231985.

The spelling of 11630740 in words is "eleven million, six hundred thirty thousand, seven hundred forty".

Divisors: 1 2 4 5 10 11 20 22 29 44 55 58 110 116 145 220 290 319 580 638 1276 1595 1823 3190 3646 6380 7292 9115 18230 20053 36460 40106 52867 80212 100265 105734 200530 211468 264335 401060 528670 581537 1057340 1163074 2326148 2907685 5815370 11630740