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1320430224 = 24327508963
BaseRepresentation
bin100111010110100…
…0010101010010000
310102000121210202010
41032231002222100
510201012231344
6335005222520
744502320541
oct11655025220
93360553663
101320430224
11618391853
1230a261a40
1318073c179
14c751c4c8
157adc88b9
hex4eb42a90

1320430224 has 20 divisors (see below), whose sum is σ = 3411111536. Its totient is φ = 440143392.

The previous prime is 1320430201. The next prime is 1320430247. The reversal of 1320430224 is 4220340231.

It is an interprime number because it is at equal distance from previous prime (1320430201) and next prime (1320430247).

It is a self number, because there is not a number n which added to its sum of digits gives 1320430224.

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 in 3 ways as a sum of consecutive naturals, for example, 13754434 + ... + 13754529.

Almost surely, 21320430224 is an apocalyptic number.

It is an amenable number.

1320430224 is an abundant number, since it is smaller than the sum of its proper divisors (2090681312).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1320430224 is a wasteful number, since it uses less digits than its factorization.

1320430224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27508974 (or 27508968 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 1320430224 is about 36337.7245297501. The cubic root of 1320430224 is about 1097.0804740773.

Adding to 1320430224 its reverse (4220340231), we get a palindrome (5540770455).

The spelling of 1320430224 in words is "one billion, three hundred twenty million, four hundred thirty thousand, two hundred twenty-four".

Divisors: 1 2 3 4 6 8 12 16 24 48 27508963 55017926 82526889 110035852 165053778 220071704 330107556 440143408 660215112 1320430224