Search a number
-
+
11620690 = 251724021
BaseRepresentation
bin101100010101…
…000101010010
3210212101120221
4230111011102
510433330230
61053023254
7200526364
oct54250522
923771527
1011620690
116617884
123a84b2a
13253b463
141786d34
15104827a
hexb15152

11620690 has 24 divisors (see below), whose sum is σ = 22225572. Its totient is φ = 4373760.

The previous prime is 11620667. The next prime is 11620711. The reversal of 11620690 is 9602611.

It can be written as a sum of positive squares in 6 ways, for example, as 5285401 + 6335289 = 2299^2 + 2517^2 .

It is a super-2 number, since 2×116206902 = 270080872152200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 880 + ... + 4900.

Almost surely, 211620690 is an apocalyptic number.

11620690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11620690 is a deficient number, since it is larger than the sum of its proper divisors (10604882).

11620690 is a wasteful number, since it uses less digits than its factorization.

11620690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4062 (or 4045 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 11620690 is about 3408.9133165864. The cubic root of 11620690 is about 226.5047454689.

The spelling of 11620690 in words is "eleven million, six hundred twenty thousand, six hundred ninety".

Divisors: 1 2 5 10 17 34 85 170 289 578 1445 2890 4021 8042 20105 40210 68357 136714 341785 683570 1162069 2324138 5810345 11620690