Search a number
-
+
366909012 = 223210191917
BaseRepresentation
bin10101110111101…
…001011001010100
3221120101220112200
4111313221121110
51222412042022
6100224044500
712043450401
oct2567513124
9846356480
10366909012
11179124198
12a2a63730
135b026732
1436a2d2a8
1522328bac
hex15de9654

366909012 has 18 divisors (see below), whose sum is σ = 927464538. Its totient is φ = 122302992.

The previous prime is 366908989. The next prime is 366909017. The reversal of 366909012 is 210909663.

It can be written as a sum of positive squares in only one way, i.e., 316697616 + 50211396 = 17796^2 + 7086^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×3669090122 = 269244446173632288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 10191917 = 366909012 / (3 + 6 + 6 + 9 + 0 + 9 + 0 + 1 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (366909017) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5095923 + ... + 5095994.

Almost surely, 2366909012 is an apocalyptic number.

It is an amenable number.

366909012 is an abundant number, since it is smaller than the sum of its proper divisors (560555526).

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

366909012 is a wasteful number, since it uses less digits than its factorization.

366909012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10191927 (or 10191922 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 36.

The square root of 366909012 is about 19154.8691459900. The cubic root of 366909012 is about 715.9007097838.

The spelling of 366909012 in words is "three hundred sixty-six million, nine hundred nine thousand, twelve".

Divisors: 1 2 3 4 6 9 12 18 36 10191917 20383834 30575751 40767668 61151502 91727253 122303004 183454506 366909012