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1310420224 = 285118829
BaseRepresentation
bin100111000011011…
…0110110100000000
310101022210020121101
41032012312310000
510140431421344
6334010504144
744321250061
oct11606666400
93338706541
101310420224
11612775123
12306a35054
1317b645ba9
14c6074568
157a09c9d4
hex4e1b6d00

1310420224 has 18 divisors (see below), whose sum is σ = 2615722130. Its totient is φ = 655209984.

The previous prime is 1310420203. The next prime is 1310420257. The reversal of 1310420224 is 4220240131.

It can be written as a sum of positive squares in only one way, i.e., 1208813824 + 101606400 = 34768^2 + 10080^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2559159 + ... + 2559670.

Almost surely, 21310420224 is an apocalyptic number.

It is an amenable number.

1310420224 is a deficient number, since it is larger than the sum of its proper divisors (1305301906).

1310420224 is an frugal number, since it uses more digits than its factorization.

1310420224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5118845 (or 5118831 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 1310420224 is about 36199.7268497982. The cubic root of 1310420224 is about 1094.3011669352.

Adding to 1310420224 its reverse (4220240131), we get a palindrome (5530660355).

The spelling of 1310420224 in words is "one billion, three hundred ten million, four hundred twenty thousand, two hundred twenty-four".

Divisors: 1 2 4 8 16 32 64 128 256 5118829 10237658 20475316 40950632 81901264 163802528 327605056 655210112 1310420224