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50403245 = 510080649
BaseRepresentation
bin1100000001000…
…1011110101101
310111211202020212
43000101132231
5100400400440
65000152205
71151264144
oct300213655
9114752225
1050403245
11264a6782
1214a68665
13a599b09
1469a075b
154659465
hex30117ad

50403245 has 4 divisors (see below), whose sum is σ = 60483900. Its totient is φ = 40322592.

The previous prime is 50403239. The next prime is 50403253. The reversal of 50403245 is 54230405.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54230405 = 510846081.

It can be written as a sum of positive squares in 2 ways, for example, as 6869641 + 43533604 = 2621^2 + 6598^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-50403245 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 50403245.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5040320 + ... + 5040329.

It is an arithmetic number, because the mean of its divisors is an integer number (15120975).

Almost surely, 250403245 is an apocalyptic number.

It is an amenable number.

50403245 is a deficient number, since it is larger than the sum of its proper divisors (10080655).

50403245 is a wasteful number, since it uses less digits than its factorization.

50403245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10080654.

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 50403245 is about 7099.5242798373. The cubic root of 50403245 is about 369.3908774834.

The spelling of 50403245 in words is "fifty million, four hundred three thousand, two hundred forty-five".

Divisors: 1 5 10080649 50403245