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1323163072 = 2672113317
BaseRepresentation
bin100111011011101…
…1101110111000000
310102012202122111201
41032313131313000
510202212204242
6335143550544
744534462200
oct11667356700
93365678451
101323163072
11619989000
1230b15b454
1318118803a
14c7a30400
157b2684b7
hex4eddddc0

1323163072 has 168 divisors, whose sum is σ = 3370130928. Its totient is φ = 513891840.

The previous prime is 1323163063. The next prime is 1323163103. The reversal of 1323163072 is 2703613231.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 1323163072.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4173858 + ... + 4174174.

Almost surely, 21323163072 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1323163072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1685065464).

1323163072 is an abundant number, since it is smaller than the sum of its proper divisors (2046967856).

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

1323163072 is an equidigital number, since it uses as much as digits as its factorization.

1323163072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376 (or 337 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 28.

The square root of 1323163072 is about 36375.3085485196. The cubic root of 1323163072 is about 1097.8368154850.

The spelling of 1323163072 in words is "one billion, three hundred twenty-three million, one hundred sixty-three thousand, seventy-two".