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5072293 = 37137089
BaseRepresentation
bin10011010110010110100101
3100112200212201
4103112112211
52244303133
6300414501
761054012
oct23262645
910480781
105072293
112954986
121847431
131087975
14960709
156a2d7d
hex4d65a5

5072293 has 4 divisors (see below), whose sum is σ = 5209420. Its totient is φ = 4935168.

The previous prime is 5072269. The next prime is 5072299. The reversal of 5072293 is 3922705.

5072293 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3922705 = 5784541.

It can be written as a sum of positive squares in 2 ways, for example, as 2505889 + 2566404 = 1583^2 + 1602^2 .

It is a cyclic number.

It is not a de Polignac number, because 5072293 - 25 = 5072261 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5072299) 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, 68508 + ... + 68581.

It is an arithmetic number, because the mean of its divisors is an integer number (1302355).

Almost surely, 25072293 is an apocalyptic number.

It is an amenable number.

5072293 is a deficient number, since it is larger than the sum of its proper divisors (137127).

5072293 is a wasteful number, since it uses less digits than its factorization.

5072293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137126.

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 5072293 is about 2252.1751708071. The cubic root of 5072293 is about 171.8177829601.

Adding to 5072293 its reverse (3922705), we get a palindrome (8994998).

The spelling of 5072293 in words is "five million, seventy-two thousand, two hundred ninety-three".

Divisors: 1 37 137089 5072293