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1224004001 = 11163682657
BaseRepresentation
bin100100011110100…
…1101000110100001
310011022011211211112
41020331031012201
510001321112001
6321242353105
742221601533
oct11075150641
93138154745
101224004001
11578a11360
122a1abb795
1316677a22c
14b87bb853
15726cccbb
hex48f4d1a1

1224004001 has 8 divisors (see below), whose sum is σ = 1343470944. Its totient is φ = 1105902720.

The previous prime is 1224003943. The next prime is 1224004009. The reversal of 1224004001 is 1004004221.

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 1224004001 - 214 = 1223987617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1224004009) 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, 339536 + ... + 343121.

It is an arithmetic number, because the mean of its divisors is an integer number (167933868).

Almost surely, 21224004001 is an apocalyptic number.

1224004001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1224004001 is a deficient number, since it is larger than the sum of its proper divisors (119466943).

1224004001 is a wasteful number, since it uses less digits than its factorization.

1224004001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 682831.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 1224004001 is about 34985.7685495117. The cubic root of 1224004001 is about 1069.6974137844.

Adding to 1224004001 its reverse (1004004221), we get a palindrome (2228008222).

The spelling of 1224004001 in words is "one billion, two hundred twenty-four million, four thousand, one".

Divisors: 1 11 163 1793 682657 7509227 111273091 1224004001