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2050390307 = 72389122609
BaseRepresentation
bin111101000110110…
…0111100100100011
312021220011121201202
41322031213210203
513144344442212
6535242551415
7101545013210
oct17215474443
95256147652
102050390307
11962434649
1249280856b
13268a3b304
14156454b07
15c00180c2
hex7a367923

2050390307 has 8 divisors (see below), whose sum is σ = 2344303200. Its totient is φ = 1756727424.

The previous prime is 2050390297. The next prime is 2050390319. The reversal of 2050390307 is 7030930502.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2050390307 - 28 = 2050390051 is a prime.

It is a super-2 number, since 2×20503903072 = 8408200822079108498, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2050390307.

It is not an unprimeable number, because it can be changed into a prime (2050390207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44582 + ... + 78027.

It is an arithmetic number, because the mean of its divisors is an integer number (293037900).

Almost surely, 22050390307 is an apocalyptic number.

2050390307 is a deficient number, since it is larger than the sum of its proper divisors (293912893).

2050390307 is a wasteful number, since it uses less digits than its factorization.

2050390307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125005.

The product of its (nonzero) digits is 5670, while the sum is 29.

The square root of 2050390307 is about 45281.2357053118. The cubic root of 2050390307 is about 1270.4147088416.

The spelling of 2050390307 in words is "two billion, fifty million, three hundred ninety thousand, three hundred seven".

Divisors: 1 7 2389 16723 122609 858263 292912901 2050390307