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182085921 = 336743923
BaseRepresentation
bin10101101101001…
…10100100100001
3110200121220221000
422312212210201
5333103222141
630022422213
74340463513
oct1266464441
9420556830
10182085921
1193867936
1250b91969
132b954464
141a27bbb3
1510ebb5b6
hexada6921

182085921 has 8 divisors (see below), whose sum is σ = 269756960. Its totient is φ = 121390596.

The previous prime is 182085919. The next prime is 182085923. The reversal of 182085921 is 129580281.

It is an interprime number because it is at equal distance from previous prime (182085919) and next prime (182085923).

It is not a de Polignac number, because 182085921 - 21 = 182085919 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (182085923) by changing a digit.

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, 3371935 + ... + 3371988.

It is an arithmetic number, because the mean of its divisors is an integer number (33719620).

Almost surely, 2182085921 is an apocalyptic number.

It is an amenable number.

182085921 is a deficient number, since it is larger than the sum of its proper divisors (87671039).

182085921 is an equidigital number, since it uses as much as digits as its factorization.

182085921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6743932 (or 6743926 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 36.

The square root of 182085921 is about 13493.9216316088. The cubic root of 182085921 is about 566.7942760285.

The spelling of 182085921 in words is "one hundred eighty-two million, eighty-five thousand, nine hundred twenty-one".

Divisors: 1 3 9 27 6743923 20231769 60695307 182085921