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3281241057 = 36121931523
BaseRepresentation
bin1100001110010011…
…1100001111100001
322110200020022112120
43003210330033201
523204444203212
61301332214453
7144212042313
oct30344741741
98420208476
103281241057
1114341a1a76
12776a6a429
13403a44a73
14231ad57b3
151430e988c
hexc393c3e1

3281241057 has 24 divisors (see below), whose sum is σ = 4473866592. Its totient is φ = 2139079680.

The previous prime is 3281241031. The next prime is 3281241059. The reversal of 3281241057 is 7501421823.

3281241057 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3281241057 - 28 = 3281240801 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3281241059) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2153698 + ... + 2155220.

It is an arithmetic number, because the mean of its divisors is an integer number (186411108).

Almost surely, 23281241057 is an apocalyptic number.

It is an amenable number.

3281241057 is a deficient number, since it is larger than the sum of its proper divisors (1192625535).

3281241057 is a wasteful number, since it uses less digits than its factorization.

3281241057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1841 (or 1780 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 3281241057 is about 57282.1181259911. The cubic root of 3281241057 is about 1485.9791381834.

The spelling of 3281241057 in words is "three billion, two hundred eighty-one million, two hundred forty-one thousand, fifty-seven".

Divisors: 1 3 61 183 193 579 1523 3721 4569 11163 11773 35319 92903 278709 293939 718153 881817 2154459 5667083 17001249 17930279 53790837 1093747019 3281241057