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1402182085 = 5280436417
BaseRepresentation
bin101001110010011…
…1001100111000101
310121201110020012211
41103210321213011
510332424311320
6351045343421
746514231263
oct12344714705
93551406184
101402182085
1165a54a177
12331707b71
13194663a55
14d431d433
158317655a
hex539399c5

1402182085 has 4 divisors (see below), whose sum is σ = 1682618508. Its totient is φ = 1121745664.

The previous prime is 1402182079. The next prime is 1402182101. The reversal of 1402182085 is 5802812041.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 440748036 + 961434049 = 20994^2 + 31007^2 .

It is a cyclic number.

It is not a de Polignac number, because 1402182085 - 211 = 1402180037 is a prime.

It is a super-2 number, since 2×14021820852 = 3932229198989894450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 140218204 + ... + 140218213.

It is an arithmetic number, because the mean of its divisors is an integer number (420654627).

Almost surely, 21402182085 is an apocalyptic number.

It is an amenable number.

1402182085 is a deficient number, since it is larger than the sum of its proper divisors (280436423).

1402182085 is an equidigital number, since it uses as much as digits as its factorization.

1402182085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280436422.

The product of its (nonzero) digits is 5120, while the sum is 31.

The square root of 1402182085 is about 37445.7218517683. The cubic root of 1402182085 is about 1119.2698485603.

The spelling of 1402182085 in words is "one billion, four hundred two million, one hundred eighty-two thousand, eighty-five".

Divisors: 1 5 280436417 1402182085