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1345075200 = 21133527139
BaseRepresentation
bin101000000101100…
…0011100000000000
310110201222220022000
41100023003200000
510223314401300
6341245344000
745221644020
oct12013034000
93421886260
101345075200
116302949a7
12316568000
1318588a8b1
14ca8d5a80
157d145c00
hex502c3800

1345075200 has 576 divisors, whose sum is σ = 5687136000. Its totient is φ = 305233920.

The previous prime is 1345075157. The next prime is 1345075211. The reversal of 1345075200 is 25705431.

It is a happy number.

1345075200 is a `hidden beast` number, since 1 + 3 + 450 + 7 + 5 + 200 = 666.

It is a tau number, because it is divible by the number of its divisors (576).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9676731 + ... + 9676869.

It is an arithmetic number, because the mean of its divisors is an integer number (9873500).

Almost surely, 21345075200 is an apocalyptic number.

1345075200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1345075200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2843568000).

1345075200 is an abundant number, since it is smaller than the sum of its proper divisors (4342060800).

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

1345075200 is a wasteful number, since it uses less digits than its factorization.

1345075200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187 (or 156 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 1345075200 is about 36675.2668701947. The cubic root of 1345075200 is about 1103.8638773567.

The spelling of 1345075200 in words is "one billion, three hundred forty-five million, seventy-five thousand, two hundred".