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361121825 = 52142310151
BaseRepresentation
bin10101100001100…
…100100000100001
3221011111220000102
4111201210200201
51214421344300
655500032145
711643325211
oct2541444041
9834456012
10361121825
11175931199
12a0b32655
1359a7b56c
1435d64241
1521a840d5
hex15864821

361121825 has 12 divisors (see below), whose sum is σ = 448149888. Its totient is φ = 288666000.

The previous prime is 361121819. The next prime is 361121843. The reversal of 361121825 is 528121163.

It is not a de Polignac number, because 361121825 - 210 = 361120801 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30500 + ... + 40650.

It is an arithmetic number, because the mean of its divisors is an integer number (37345824).

Almost surely, 2361121825 is an apocalyptic number.

It is an amenable number.

361121825 is a deficient number, since it is larger than the sum of its proper divisors (87028063).

361121825 is a wasteful number, since it uses less digits than its factorization.

361121825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11584 (or 11579 counting only the distinct ones).

The product of its digits is 2880, while the sum is 29.

The square root of 361121825 is about 19003.2056506264. The cubic root of 361121825 is about 712.1168227965.

Adding to 361121825 its reverse (528121163), we get a palindrome (889242988).

The spelling of 361121825 in words is "three hundred sixty-one million, one hundred twenty-one thousand, eight hundred twenty-five".

Divisors: 1 5 25 1423 7115 10151 35575 50755 253775 14444873 72224365 361121825