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201124430 = 25135692719
BaseRepresentation
bin10111111110011…
…10101001001110
3112000110011211222
423333032221032
5402441440210
631542443342
74661346413
oct1377165116
9460404758
10201124430
11a3590841
1257433552
133288c050
141c9d610a
15129cc655
hexbfcea4e

201124430 has 32 divisors (see below), whose sum is σ = 390700800. Its totient is φ = 74103552.

The previous prime is 201124423. The next prime is 201124447. The reversal of 201124430 is 34421102.

It is a junction number, because it is equal to n+sod(n) for n = 201124399 and 201124408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72611 + ... + 75329.

It is an arithmetic number, because the mean of its divisors is an integer number (12209400).

Almost surely, 2201124430 is an apocalyptic number.

201124430 is a deficient number, since it is larger than the sum of its proper divisors (189576370).

201124430 is a wasteful number, since it uses less digits than its factorization.

201124430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3308.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 201124430 is about 14181.8345075664. The cubic root of 201124430 is about 585.8974512550.

Adding to 201124430 its reverse (34421102), we get a palindrome (235545532).

It can be divided in two parts, 20112 and 4430, that added together give a palindrome (24542).

The spelling of 201124430 in words is "two hundred one million, one hundred twenty-four thousand, four hundred thirty".

Divisors: 1 2 5 10 13 26 65 130 569 1138 2719 2845 5438 5690 7397 13595 14794 27190 35347 36985 70694 73970 176735 353470 1547111 3094222 7735555 15471110 20112443 40224886 100562215 201124430