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9005088402 = 232223672
BaseRepresentation
bin10000110001011111…
…01011111010010010
3212020120122212222200
420120233223322102
5121420300312102
64045322144030
7436103663022
oct103057537222
925216585880
109005088402
113901157222
1218b3952016
13b0684239b
14615d7ba82
1537a88451c
hex218bebe92

9005088402 has 18 divisors (see below), whose sum is σ = 19511897223. Its totient is φ = 3001561932.

The previous prime is 9005088373. The next prime is 9005088431. The reversal of 9005088402 is 2048805009.

It is an interprime number because it is at equal distance from previous prime (9005088373) and next prime (9005088431).

It can be written as a sum of positive squares in only one way, i.e., 4502544201 + 4502544201 = 67101^2 + 67101^2 .

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

It is an ABA number since it can be written as A⋅BA, here for A=2, B=67101.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 391423 + ... + 413789.

Almost surely, 29005088402 is an apocalyptic number.

9005088402 is an abundant number, since it is smaller than the sum of its proper divisors (10506808821).

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

9005088402 is an frugal number, since it uses more digits than its factorization.

9005088402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44742 (or 22372 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 9005088402 is about 94895.1442487971. The cubic root of 9005088402 is about 2080.4757604075.

The spelling of 9005088402 in words is "nine billion, five million, eighty-eight thousand, four hundred two".

Divisors: 1 2 3 6 9 18 22367 44734 67101 134202 201303 402606 500282689 1000565378 1500848067 3001696134 4502544201 9005088402