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1224340253 = 3079074397
BaseRepresentation
bin100100011111001…
…1111001100011101
310011022210221002022
41020332133030131
510001412342003
6321253505525
742224502053
oct11076371435
93138727068
101224340253
11579120a54
122a20422a5
131668672b6
14b88681d3
1572747738
hex48f9f31d

1224340253 has 8 divisors (see below), whose sum is σ = 1229962272. Its totient is φ = 1218729456.

The previous prime is 1224340231. The next prime is 1224340267. The reversal of 1224340253 is 3520434221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1224340253 - 28 = 1224339997 is a prime.

It is a super-2 number, since 2×12243402532 = 2998018110232208018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1224340213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 276251 + ... + 280647.

It is an arithmetic number, because the mean of its divisors is an integer number (153745284).

Almost surely, 21224340253 is an apocalyptic number.

It is an amenable number.

1224340253 is a deficient number, since it is larger than the sum of its proper divisors (5622019).

1224340253 is an equidigital number, since it uses as much as digits as its factorization.

1224340253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5611.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 1224340253 is about 34990.5737735179. The cubic root of 1224340253 is about 1069.7953587155.

Adding to 1224340253 its reverse (3520434221), we get a palindrome (4744774474).

The spelling of 1224340253 in words is "one billion, two hundred twenty-four million, three hundred forty thousand, two hundred fifty-three".

Divisors: 1 307 907 4397 278449 1349879 3988079 1224340253