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11690530 = 253373469
BaseRepresentation
bin101100100110…
…001000100010
3210222221101121
4230212020202
510443044110
61054322454
7201240115
oct54461042
923887347
1011690530
1166652a5
123ab942a
132564197
1417a457c
15105dcda
hexb26222

11690530 has 16 divisors (see below), whose sum is σ = 21111480. Its totient is φ = 4660992.

The previous prime is 11690527. The next prime is 11690531. The reversal of 11690530 is 3509611.

It can be written as a sum of positive squares in 4 ways, for example, as 4609609 + 7080921 = 2147^2 + 2661^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11690495 and 11690504.

It is not an unprimeable number, because it can be changed into a prime (11690531) 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, 1636 + ... + 5104.

Almost surely, 211690530 is an apocalyptic number.

11690530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11690530 is a deficient number, since it is larger than the sum of its proper divisors (9420950).

11690530 is a wasteful number, since it uses less digits than its factorization.

11690530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3813.

The product of its (nonzero) digits is 810, while the sum is 25.

The square root of 11690530 is about 3419.1417051652. The cubic root of 11690530 is about 226.9576017123.

The spelling of 11690530 in words is "eleven million, six hundred ninety thousand, five hundred thirty".

Divisors: 1 2 5 10 337 674 1685 3370 3469 6938 17345 34690 1169053 2338106 5845265 11690530