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10661485 = 57332909
BaseRepresentation
bin101000101010…
…111001101101
3202001122210211
4220222321231
510212131420
61020302421
7156423022
oct50527155
922048724
1010661485
11602214a
1236a1a11
132293993
1415b7549
15e08e5a
hexa2ae6d

10661485 has 8 divisors (see below), whose sum is σ = 12815640. Its totient is φ = 8514624.

The previous prime is 10661479. The next prime is 10661491. The reversal of 10661485 is 58416601.

It is an interprime number because it is at equal distance from previous prime (10661479) and next prime (10661491).

It can be written as a sum of positive squares in 4 ways, for example, as 5982916 + 4678569 = 2446^2 + 2163^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10661485 - 221 = 8564333 is a prime.

It is a super-2 number, since 2×106614852 = 227334524810450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2211 + ... + 5119.

It is an arithmetic number, because the mean of its divisors is an integer number (1601955).

Almost surely, 210661485 is an apocalyptic number.

It is an amenable number.

10661485 is a deficient number, since it is larger than the sum of its proper divisors (2154155).

10661485 is an equidigital number, since it uses as much as digits as its factorization.

10661485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3647.

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 10661485 is about 3265.1929498883. The cubic root of 10661485 is about 220.0928327230.

The spelling of 10661485 in words is "ten million, six hundred sixty-one thousand, four hundred eighty-five".

Divisors: 1 5 733 2909 3665 14545 2132297 10661485