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1300432220 = 22573890707
BaseRepresentation
bin100110110000011…
…0000010101011100
310100121222210122022
41031200300111130
510130402312340
6333012435312
744140330403
oct11540602534
93317883568
101300432220
11608072a7a
12303618b38
13179559929
14c49d463a
15792783b5
hex4d83055c

1300432220 has 24 divisors (see below), whose sum is σ = 2768320464. Its totient is φ = 513046656.

The previous prime is 1300432201. The next prime is 1300432241. The reversal of 1300432220 is 222340031.

It is a super-2 number, since 2×13004322202 = 3382247917628256800, which contains 22 as substring.

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 in 7 ways as a sum of consecutive naturals, for example, 443894 + ... + 446813.

It is an arithmetic number, because the mean of its divisors is an integer number (115346686).

Almost surely, 21300432220 is an apocalyptic number.

1300432220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1300432220 is an abundant number, since it is smaller than the sum of its proper divisors (1467888244).

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

1300432220 is a wasteful number, since it uses less digits than its factorization.

1300432220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 890789 (or 890787 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 1300432220 is about 36061.5060694919. The cubic root of 1300432220 is about 1091.5138239746.

Adding to 1300432220 its reverse (222340031), we get a palindrome (1522772251).

The spelling of 1300432220 in words is "one billion, three hundred million, four hundred thirty-two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 73 146 292 365 730 1460 890707 1781414 3562828 4453535 8907070 17814140 65021611 130043222 260086444 325108055 650216110 1300432220