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2352156872 = 2313213192
BaseRepresentation
bin1000110000110011…
…0001000011001000
320001220222221122012
42030030301003020
514304123004442
61025222515052
7112201001132
oct21414610310
96056887565
102352156872
11aa78052aa
12557895a88
132b6407200
14184568052
15db775582
hex8c3310c8

2352156872 has 36 divisors (see below), whose sum is σ = 4779267345. Its totient is φ = 1084787808.

The previous prime is 2352156817. The next prime is 2352156931. The reversal of 2352156872 is 2786512532.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 2011163716 + 340993156 = 44846^2 + 18466^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=34294.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1782629 + ... + 1783947.

Almost surely, 22352156872 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2352156872

2352156872 is an abundant number, since it is smaller than the sum of its proper divisors (2427110473).

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

2352156872 is an equidigital number, since it uses as much as digits as its factorization.

2352156872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2670 (or 1334 counting only the distinct ones).

The product of its digits is 201600, while the sum is 41.

The square root of 2352156872 is about 48499.0399080229. The cubic root of 2352156872 is about 1329.9095180309.

The spelling of 2352156872 in words is "two billion, three hundred fifty-two million, one hundred fifty-six thousand, eight hundred seventy-two".

Divisors: 1 2 4 8 13 26 52 104 169 338 676 1319 1352 2638 5276 10552 17147 34294 68588 137176 222911 445822 891644 1739761 1783288 3479522 6959044 13918088 22616893 45233786 90467572 180935144 294019609 588039218 1176078436 2352156872