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3252130231 = 71921286953
BaseRepresentation
bin1100000111010111…
…1001000110110111
322101122110022222211
43001311321012313
523130021131411
61254412234251
7143406436150
oct30165710667
98348408884
103252130231
111419819639
1276916b987
133ca9c171c
1422bcb8927
15140799221
hexc1d791b7

3252130231 has 12 divisors (see below), whose sum is σ = 3922635792. Its totient is φ = 2640825504.

The previous prime is 3252130223. The next prime is 3252130247. The reversal of 3252130231 is 1320312523.

It is not a de Polignac number, because 3252130231 - 23 = 3252130223 is a prime.

It is a super-2 number, since 2×32521302312 = 21152702078768226722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3252130631) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 640950 + ... + 646003.

It is an arithmetic number, because the mean of its divisors is an integer number (326886316).

Almost surely, 23252130231 is an apocalyptic number.

3252130231 is a deficient number, since it is larger than the sum of its proper divisors (670505561).

3252130231 is a wasteful number, since it uses less digits than its factorization.

3252130231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1286998 (or 1286979 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 3252130231 is about 57027.4515562461. The cubic root of 3252130231 is about 1481.5715943394.

Adding to 3252130231 its reverse (1320312523), we get a palindrome (4572442754).

The spelling of 3252130231 in words is "three billion, two hundred fifty-two million, one hundred thirty thousand, two hundred thirty-one".

Divisors: 1 7 19 133 361 2527 1286953 9008671 24452107 171164749 464590033 3252130231