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2352572840 = 235181324941
BaseRepresentation
bin1000110000111001…
…0110100110101000
320001221210002020102
42030032112212220
514304224312330
61025235444532
7112204352642
oct21416264650
96057702212
102352572840
11aa7a69882
12557a56748
132b6521647
14184635892
15db808945
hex8c3969a8

2352572840 has 32 divisors (see below), whose sum is σ = 5322549960. Its totient is φ = 935827200.

The previous prime is 2352572797. The next prime is 2352572843. The reversal of 2352572840 is 482752532.

It can be written as a sum of positive squares in 4 ways, for example, as 516107524 + 1836465316 = 22718^2 + 42854^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2352572794 and 2352572803.

It is not an unprimeable number, because it can be changed into a prime (2352572843) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155231 + ... + 169710.

Almost surely, 22352572840 is an apocalyptic number.

2352572840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2352572840 is an abundant number, since it is smaller than the sum of its proper divisors (2969977120).

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

2352572840 is a wasteful number, since it uses less digits than its factorization.

2352572840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325133 (or 325129 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 38.

The square root of 2352572840 is about 48503.3281332323. The cubic root of 2352572840 is about 1329.9879095138.

The spelling of 2352572840 in words is "two billion, three hundred fifty-two million, five hundred seventy-two thousand, eight hundred forty".

Divisors: 1 2 4 5 8 10 20 40 181 362 724 905 1448 1810 3620 7240 324941 649882 1299764 1624705 2599528 3249410 6498820 12997640 58814321 117628642 235257284 294071605 470514568 588143210 1176286420 2352572840