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1323107072 = 287738341
BaseRepresentation
bin100111011011101…
…0000001100000000
310102012122210200122
41032313100030000
510202203411242
6335142435412
744534140010
oct11667201400
93365583618
101323107072
1161994aa21
1230b132b68
131811686c1
14c7a17c40
157b256ad2
hex4edd0300

1323107072 has 36 divisors (see below), whose sum is σ = 3018342096. Its totient is φ = 567045120.

The previous prime is 1323107069. The next prime is 1323107077. The reversal of 1323107072 is 2707013231.

It is a super-3 number, since 3×13231070723 (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (1323107077) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 367379 + ... + 370962.

It is an arithmetic number, because the mean of its divisors is an integer number (83842836).

Almost surely, 21323107072 is an apocalyptic number.

It is an amenable number.

1323107072 is an abundant number, since it is smaller than the sum of its proper divisors (1695235024).

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

1323107072 is an frugal number, since it uses more digits than its factorization.

1323107072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 738364 (or 738350 counting only the distinct ones).

The product of its (nonzero) digits is 1764, while the sum is 26.

The square root of 1323107072 is about 36374.5387874541. The cubic root of 1323107072 is about 1097.8213274144.

The spelling of 1323107072 in words is "one billion, three hundred twenty-three million, one hundred seven thousand, seventy-two".

Divisors: 1 2 4 7 8 14 16 28 32 56 64 112 128 224 256 448 896 1792 738341 1476682 2953364 5168387 5906728 10336774 11813456 20673548 23626912 41347096 47253824 82694192 94507648 165388384 189015296 330776768 661553536 1323107072