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1304211233 = 13109791453
BaseRepresentation
bin100110110111100…
…1010111100100001
310100220002210110202
41031233022330201
510132334224413
6333225434545
744214420053
oct11557127441
93326083422
101304211233
1160a214226
1230493ba55
1317a280a30
14c52d98d3
1579772e58
hex4dbcaf21

1304211233 has 8 divisors (see below), whose sum is σ = 1405830888. Its totient is φ = 1202776704.

The previous prime is 1304211193. The next prime is 1304211239. The reversal of 1304211233 is 3321124031.

It can be written as a sum of positive squares in 4 ways, for example, as 134689 + 1304076544 = 367^2 + 36112^2 .

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 1304211233 - 210 = 1304210209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1304211239) 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 7 ways as a sum of consecutive naturals, for example, 31466 + ... + 59987.

It is an arithmetic number, because the mean of its divisors is an integer number (175728861).

Almost surely, 21304211233 is an apocalyptic number.

1304211233 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1304211233 is a deficient number, since it is larger than the sum of its proper divisors (101619655).

1304211233 is a wasteful number, since it uses less digits than its factorization.

1304211233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92563.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 1304211233 is about 36113.8648305606. The cubic root of 1304211233 is about 1092.5701024823.

Adding to 1304211233 its reverse (3321124031), we get a palindrome (4625335264).

The spelling of 1304211233 in words is "one billion, three hundred four million, two hundred eleven thousand, two hundred thirty-three".

Divisors: 1 13 1097 14261 91453 1188889 100323941 1304211233