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1214434472 = 23151804309
BaseRepresentation
bin100100001100010…
…1100110010101000
310010122011122220112
41020120230302220
54441343400342
6320301313452
742044344166
oct11030546250
93118148815
101214434472
11573575659
1229a865888
131647a95a4
14b740a236
157193c682
hex4862cca8

1214434472 has 8 divisors (see below), whose sum is σ = 2277064650. Its totient is φ = 607217232.

The previous prime is 1214434453. The next prime is 1214434493. The reversal of 1214434472 is 2744344121.

It can be written as a sum of positive squares in only one way, i.e., 1197575236 + 16859236 = 34606^2 + 4106^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-3 number, since 3×12144344723 (a number of 28 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75902147 + ... + 75902162.

Almost surely, 21214434472 is an apocalyptic number.

It is an amenable number.

1214434472 is a deficient number, since it is larger than the sum of its proper divisors (1062630178).

1214434472 is a wasteful number, since it uses less digits than its factorization.

1214434472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151804315 (or 151804311 counting only the distinct ones).

The product of its digits is 21504, while the sum is 32.

The square root of 1214434472 is about 34848.7370215909. The cubic root of 1214434472 is about 1066.9024082253.

Adding to 1214434472 its reverse (2744344121), we get a palindrome (3958778593).

The spelling of 1214434472 in words is "one billion, two hundred fourteen million, four hundred thirty-four thousand, four hundred seventy-two".

Divisors: 1 2 4 8 151804309 303608618 607217236 1214434472