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3997870255 = 52985332323
BaseRepresentation
bin1110111001001010…
…1010100010101111
3101022121200211222201
43232102222202233
531141423322010
61500412122331
7201033223261
oct35622524257
911277624881
103997870255
11177176a105
12936a663a7
134b9357202
1429cd5bb31
15185ea423a
hexee4aa8af

3997870255 has 16 divisors (see below), whose sum is σ = 4968845280. Its totient is φ = 3084294528.

The previous prime is 3997870181. The next prime is 3997870273. The reversal of 3997870255 is 5520787993.

It is a cyclic number.

It is not a de Polignac number, because 3997870255 - 211 = 3997868207 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3997870196 and 3997870205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 107524 + ... + 139846.

It is an arithmetic number, because the mean of its divisors is an integer number (310552830).

Almost surely, 23997870255 is an apocalyptic number.

3997870255 is a deficient number, since it is larger than the sum of its proper divisors (970975025).

3997870255 is a wasteful number, since it uses less digits than its factorization.

3997870255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33210.

The product of its (nonzero) digits is 4762800, while the sum is 55.

The square root of 3997870255 is about 63228.7138490101. The cubic root of 3997870255 is about 1587.1192719979.

The spelling of 3997870255 in words is "three billion, nine hundred ninety-seven million, eight hundred seventy thousand, two hundred fifty-five".

Divisors: 1 5 29 145 853 4265 24737 32323 123685 161615 937367 4686835 27571519 137857595 799574051 3997870255