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1224340025 = 52237926953
BaseRepresentation
bin100100011111001…
…1111001000111001
310011022210220202212
41020332133020321
510001412340100
6321253504505
742224501306
oct11076371071
93138726685
101224340025
11579120867
122a2042135
1316686716c
14b88680ad
1572747635
hex48f9f239

1224340025 has 24 divisors (see below), whose sum is σ = 1604302080. Its totient is φ = 924992640.

The previous prime is 1224340021. The next prime is 1224340063. The reversal of 1224340025 is 5200434221.

It is a happy number.

It is not a de Polignac number, because 1224340025 - 22 = 1224340021 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is not an unprimeable number, because it can be changed into a prime (1224340021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31949 + ... + 58901.

It is an arithmetic number, because the mean of its divisors is an integer number (66845920).

Almost surely, 21224340025 is an apocalyptic number.

It is an amenable number.

1224340025 is a deficient number, since it is larger than the sum of its proper divisors (379962055).

1224340025 is a wasteful number, since it uses less digits than its factorization.

1224340025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27065 (or 27060 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 1224340025 is about 34990.5705154975. The cubic root of 1224340025 is about 1069.7952923087.

Adding to 1224340025 its reverse (5200434221), we get a palindrome (6424774246).

The spelling of 1224340025 in words is "one billion, two hundred twenty-four million, three hundred forty thousand, twenty-five".

Divisors: 1 5 23 25 79 115 395 575 1817 1975 9085 26953 45425 134765 619919 673825 2129287 3099595 10646435 15497975 48973601 53232175 244868005 1224340025