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230102025 = 3523068027
BaseRepresentation
bin11011011011100…
…01010000001001
3121000222101122020
431231301100021
5432401231100
634455515053
75462556246
oct1555612011
9530871566
10230102025
1110898306a
1265088a89
133889685a
14227ba5cd
15153035a0
hexdb71409

230102025 has 12 divisors (see below), whose sum is σ = 380435472. Its totient is φ = 122721040.

The previous prime is 230102023. The next prime is 230102039. The reversal of 230102025 is 520201032.

It is not a de Polignac number, because 230102025 - 21 = 230102023 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a junction number, because it is equal to n+sod(n) for n = 230101995 and 230102013.

It is not an unprimeable number, because it can be changed into a prime (230102023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1533939 + ... + 1534088.

It is an arithmetic number, because the mean of its divisors is an integer number (31702956).

Almost surely, 2230102025 is an apocalyptic number.

230102025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

230102025 is a deficient number, since it is larger than the sum of its proper divisors (150333447).

230102025 is a wasteful number, since it uses less digits than its factorization.

230102025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3068040 (or 3068035 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 230102025 is about 15169.1141798063. The cubic root of 230102025 is about 612.7831482745.

Adding to 230102025 its reverse (520201032), we get a palindrome (750303057).

The spelling of 230102025 in words is "two hundred thirty million, one hundred two thousand, twenty-five".

Divisors: 1 3 5 15 25 75 3068027 9204081 15340135 46020405 76700675 230102025