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2172300337 = 16229133853
BaseRepresentation
bin1000000101111010…
…1010110000110001
312121101120021212001
42001132222300301
513422102102322
6555315534001
7104555151064
oct20136526061
95541507761
102172300337
11a15230439
125075ba301
1328808371c
1416870a8db
15caa99827
hex817aac31

2172300337 has 4 divisors (see below), whose sum is σ = 2172450420. Its totient is φ = 2172150256.

The previous prime is 2172300301. The next prime is 2172300391. The reversal of 2172300337 is 7330032712.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2065157136 + 107143201 = 45444^2 + 10351^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2172300337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2172300437) 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, 50698 + ... + 83155.

It is an arithmetic number, because the mean of its divisors is an integer number (543112605).

Almost surely, 22172300337 is an apocalyptic number.

It is an amenable number.

2172300337 is a deficient number, since it is larger than the sum of its proper divisors (150083).

2172300337 is a wasteful number, since it uses less digits than its factorization.

2172300337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150082.

The product of its (nonzero) digits is 5292, while the sum is 28.

The square root of 2172300337 is about 46607.9428531232. The cubic root of 2172300337 is about 1295.1098999867.

The spelling of 2172300337 in words is "two billion, one hundred seventy-two million, three hundred thousand, three hundred thirty-seven".

Divisors: 1 16229 133853 2172300337