Search a number
-
+
50289340 = 2252514467
BaseRepresentation
bin1011111111010…
…1101010111100
310111121222000011
42333311222330
5100333224330
64553513004
71150311103
oct277655274
9114558004
1050289340
1126429142
1214a12764
13a55a00a
14697103a
15463582a
hex2ff5abc

50289340 has 12 divisors (see below), whose sum is σ = 105607656. Its totient is φ = 20115728.

The previous prime is 50289311. The next prime is 50289367. The reversal of 50289340 is 4398205.

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, 1257214 + ... + 1257253.

It is an arithmetic number, because the mean of its divisors is an integer number (8800638).

Almost surely, 250289340 is an apocalyptic number.

It is an amenable number.

50289340 is an abundant number, since it is smaller than the sum of its proper divisors (55318316).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

50289340 is a wasteful number, since it uses less digits than its factorization.

50289340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2514476 (or 2514474 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 50289340 is about 7091.4977261507. The cubic root of 50289340 is about 369.1124086213.

The spelling of 50289340 in words is "fifty million, two hundred eighty-nine thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 2514467 5028934 10057868 12572335 25144670 50289340