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230151441 = 31322725997
BaseRepresentation
bin11011011011111…
…01010100010001
3121001001220102110
431231331110101
5432404321231
634500535533
75463153312
oct1555752421
9531056373
10230151441
11108a07203
12650b15a9
13388b31b0
14227d0609
1515313046
hexdb7d511

230151441 has 16 divisors (see below), whose sum is σ = 331942464. Its totient is φ = 141002304.

The previous prime is 230151431. The next prime is 230151451. The reversal of 230151441 is 144151032.

It is an interprime number because it is at equal distance from previous prime (230151431) and next prime (230151451).

It is not a de Polignac number, because 230151441 - 29 = 230150929 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (230151401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4146 + ... + 21851.

It is an arithmetic number, because the mean of its divisors is an integer number (20746404).

Almost surely, 2230151441 is an apocalyptic number.

It is an amenable number.

230151441 is a deficient number, since it is larger than the sum of its proper divisors (101791023).

230151441 is a wasteful number, since it uses less digits than its factorization.

230151441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26240.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 230151441 is about 15170.7429284132. The cubic root of 230151441 is about 612.8270116065.

The spelling of 230151441 in words is "two hundred thirty million, one hundred fifty-one thousand, four hundred forty-one".

Divisors: 1 3 13 39 227 681 2951 8853 25997 77991 337961 1013883 5901319 17703957 76717147 230151441