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3231354025 = 52113692
BaseRepresentation
bin1100000010011010…
…1000110010101001
322100012100210101201
43000212220302221
523104211312100
61252351044201
7143035025134
oct30046506251
98305323351
103231354025
111409019119
12762210661
133c65c8c03
1422922b21b
1513da4336a
hexc09a8ca9

3231354025 has 9 divisors (see below), whose sum is σ = 4007231461. Its totient is φ = 2584855840.

The previous prime is 3231354023. The next prime is 3231354047. The reversal of 3231354025 is 5204531323.

The square root of 3231354025 is 56845.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 13741849 + 3217612176 = 3707^2 + 56724^2 .

It is not a de Polignac number, because 3231354025 - 21 = 3231354023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3231353984 and 3231354002.

It is not an unprimeable number, because it can be changed into a prime (3231354023) 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 8 ways as a sum of consecutive naturals, for example, 278541 + ... + 289909.

Almost surely, 23231354025 is an apocalyptic number.

3231354025 is the 56845-th square number.

3231354025 is the 28423-rd centered octagonal number.

It is an amenable number.

3231354025 is a deficient number, since it is larger than the sum of its proper divisors (775877436).

3231354025 is an frugal number, since it uses more digits than its factorization.

3231354025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22748 (or 11374 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 28.

The cubic root of 3231354025 is about 1478.4098493623.

Adding to 3231354025 its reverse (5204531323), we get a palindrome (8435885348).

The spelling of 3231354025 in words is "three billion, two hundred thirty-one million, three hundred fifty-four thousand, twenty-five".

Divisors: 1 5 25 11369 56845 284225 129254161 646270805 3231354025