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1210025230 = 25121002523
BaseRepresentation
bin100100000011111…
…1000010100001110
310010022212122120021
41020013320110032
54434231301410
6320023012354
741662021231
oct11007702416
93108778507
101210025230
11571033957
1229929a0ba
131638c467b
14b69bd418
157136aeda
hex481f850e

1210025230 has 8 divisors (see below), whose sum is σ = 2178045432. Its totient is φ = 484010088.

The previous prime is 1210025227. The next prime is 1210025233. The reversal of 1210025230 is 325200121.

It is an interprime number because it is at equal distance from previous prime (1210025227) and next prime (1210025233).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×12100252302 = 2928322114473105800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1210025233) 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 3 ways as a sum of consecutive naturals, for example, 60501252 + ... + 60501271.

It is an arithmetic number, because the mean of its divisors is an integer number (272255679).

Almost surely, 21210025230 is an apocalyptic number.

1210025230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1210025230 is a deficient number, since it is larger than the sum of its proper divisors (968020202).

1210025230 is a wasteful number, since it uses less digits than its factorization.

1210025230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121002530.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 1210025230 is about 34785.4169157134. The cubic root of 1210025230 is about 1065.6096430910.

Adding to 1210025230 its reverse (325200121), we get a palindrome (1535225351).

The spelling of 1210025230 in words is "one billion, two hundred ten million, twenty-five thousand, two hundred thirty".

Divisors: 1 2 5 10 121002523 242005046 605012615 1210025230