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1214432401 = 71334938239
BaseRepresentation
bin100100001100010…
…1100010010010001
310010122011120001211
41020120230102101
54441343314101
6320301300121
742044335150
oct11030542221
93118146054
101214432401
11573574046
1229a864641
131647a8670
14b7409597
157193bc51
hex4862c491

1214432401 has 16 divisors (see below), whose sum is σ = 1499008000. Its totient is φ = 958091328.

The previous prime is 1214432393. The next prime is 1214432431. The reversal of 1214432401 is 1042344121.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1214432401 - 23 = 1214432393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1214432431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12640 + ... + 50878.

It is an arithmetic number, because the mean of its divisors is an integer number (93688000).

Almost surely, 21214432401 is an apocalyptic number.

It is an amenable number.

1214432401 is a deficient number, since it is larger than the sum of its proper divisors (284575599).

1214432401 is a wasteful number, since it uses less digits than its factorization.

1214432401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38608.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 1214432401 is about 34848.7073074454. The cubic root of 1214432401 is about 1066.9018017548.

Adding to 1214432401 its reverse (1042344121), we get a palindrome (2256776522).

The spelling of 1214432401 in words is "one billion, two hundred fourteen million, four hundred thirty-two thousand, four hundred one".

Divisors: 1 7 13 91 349 2443 4537 31759 38239 267673 497107 3479749 13345411 93417877 173490343 1214432401