Search a number
-
+
50253445 = 5111771757
BaseRepresentation
bin1011111110110…
…0111010000101
310111120010202201
42333230322011
5100331102240
64553034501
71150101334
oct277547205
9114503681
1050253445
1126404180
12149b5a31
13a546888
146961d1b
154629d9a
hex2fece85

50253445 has 32 divisors (see below), whose sum is σ = 70730496. Its totient is φ = 33868800.

The previous prime is 50253431. The next prime is 50253517. The reversal of 50253445 is 54435205.

It is a de Polignac number, because none of the positive numbers 2k-50253445 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 66007 + ... + 66763.

It is an arithmetic number, because the mean of its divisors is an integer number (2210328).

Almost surely, 250253445 is an apocalyptic number.

50253445 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

50253445 is a deficient number, since it is larger than the sum of its proper divisors (20477051).

50253445 is a wasteful number, since it uses less digits than its factorization.

50253445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 861.

The product of its (nonzero) digits is 12000, while the sum is 28.

The square root of 50253445 is about 7088.9664267790. The cubic root of 50253445 is about 369.0245673182.

The spelling of 50253445 in words is "fifty million, two hundred fifty-three thousand, four hundred forty-five".

Divisors: 1 5 11 17 55 71 85 187 355 757 781 935 1207 3785 3905 6035 8327 12869 13277 41635 53747 64345 66385 141559 268735 591217 707795 913699 2956085 4568495 10050689 50253445