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1214442125 = 53131814129
BaseRepresentation
bin100100001100010…
…1110101010001101
310010122012001101222
41020120232222031
54441344122000
6320301413125
742044405411
oct11030565215
93118161358
101214442125
11573580386
1229a86a1a5
131647acc10
14b740cd41
157193ea85
hex4862ea8d

1214442125 has 32 divisors (see below), whose sum is σ = 1641625440. Its totient is φ = 891648000.

The previous prime is 1214442091. The next prime is 1214442211. The reversal of 1214442125 is 5212444121.

It can be written as a sum of positive squares in 16 ways, for example, as 1209509284 + 4932841 = 34778^2 + 2221^2 .

It is not a de Polignac number, because 1214442125 - 222 = 1210247821 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1214442094 and 1214442103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 292061 + ... + 296189.

It is an arithmetic number, because the mean of its divisors is an integer number (51300795).

Almost surely, 21214442125 is an apocalyptic number.

It is an amenable number.

1214442125 is a deficient number, since it is larger than the sum of its proper divisors (427183315).

1214442125 is a wasteful number, since it uses less digits than its factorization.

1214442125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4338 (or 4328 counting only the distinct ones).

The product of its digits is 2560, while the sum is 26.

The square root of 1214442125 is about 34848.8468245364. The cubic root of 1214442125 is about 1066.9046493197.

Adding to 1214442125 its reverse (5212444121), we get a palindrome (6426886246).

The spelling of 1214442125 in words is "one billion, two hundred fourteen million, four hundred forty-two thousand, one hundred twenty-five".

Divisors: 1 5 13 25 65 125 181 325 905 1625 2353 4129 4525 11765 20645 22625 53677 58825 103225 268385 294125 516125 747349 1341925 3736745 6709625 9715537 18683725 48577685 93418625 242888425 1214442125