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1344240025 = 521919914221
BaseRepresentation
bin101000000011111…
…0111100110011001
310110200102110122121
41100013313212121
510223111140100
6341215421241
745211565062
oct12007674631
93420373577
101344240025
1162a874477
12316224821
131856576cb
14ca759569
157d02d51a
hex501f7999

1344240025 has 24 divisors (see below), whose sum is σ = 1763528000. Its totient is φ = 1013601600.

The previous prime is 1344240019. The next prime is 1344240041. The reversal of 1344240025 is 5200424431.

It is a happy number.

It is not a de Polignac number, because 1344240025 - 29 = 1344239513 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 87415 + ... + 101635.

Almost surely, 21344240025 is an apocalyptic number.

It is an amenable number.

1344240025 is a deficient number, since it is larger than the sum of its proper divisors (419287975).

1344240025 is a wasteful number, since it uses less digits than its factorization.

1344240025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14449 (or 14444 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 1344240025 is about 36663.8790228203. The cubic root of 1344240025 is about 1103.6353621554.

Adding to 1344240025 its reverse (5200424431), we get a palindrome (6544664456).

The spelling of 1344240025 in words is "one billion, three hundred forty-four million, two hundred forty thousand, twenty-five".

Divisors: 1 5 19 25 95 199 475 995 3781 4975 14221 18905 71105 94525 270199 355525 1350995 2829979 6754975 14149895 53769601 70749475 268848005 1344240025