Search a number
-
+
10618984 = 231327373
BaseRepresentation
bin101000100000…
…100001101000
3201222111111201
4220200201220
510204301414
61015333544
7156155065
oct50404150
921874451
1010618984
115aa3222
1236812b4
13227a52c
1415a5c6c
15deb574
hexa20868

10618984 has 8 divisors (see below), whose sum is σ = 19910610. Its totient is φ = 5309488.

The previous prime is 10618981. The next prime is 10619003. The reversal of 10618984 is 48981601.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 9474084 + 1144900 = 3078^2 + 1070^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×106189842 = 225525642384512, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10618981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 663679 + ... + 663694.

Almost surely, 210618984 is an apocalyptic number.

It is an amenable number.

10618984 is a deficient number, since it is larger than the sum of its proper divisors (9291626).

10618984 is a wasteful number, since it uses less digits than its factorization.

10618984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1327379 (or 1327375 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 37.

The square root of 10618984 is about 3258.6782596630. The cubic root of 10618984 is about 219.7999834962.

The spelling of 10618984 in words is "ten million, six hundred eighteen thousand, nine hundred eighty-four".

Divisors: 1 2 4 8 1327373 2654746 5309492 10618984