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50140340 = 2252507017
BaseRepresentation
bin1011111101000…
…1010010110100
310111100101121122
42333101102310
5100313442330
64550403112
71146120515
oct277212264
9114311548
1050140340
11263371a8
1214960498
13a507253
146932a0c
1546065e5
hex2fd14b4

50140340 has 12 divisors (see below), whose sum is σ = 105294756. Its totient is φ = 20056128.

The previous prime is 50140319. The next prime is 50140357. The reversal of 50140340 is 4304105.

It can be written as a sum of positive squares in 2 ways, for example, as 24960016 + 25180324 = 4996^2 + 5018^2 .

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, 1253489 + ... + 1253528.

It is an arithmetic number, because the mean of its divisors is an integer number (8774563).

Almost surely, 250140340 is an apocalyptic number.

It is an amenable number.

50140340 is an abundant number, since it is smaller than the sum of its proper divisors (55154416).

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

50140340 is a wasteful number, since it uses less digits than its factorization.

50140340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2507026 (or 2507024 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 50140340 is about 7080.9843948423. The cubic root of 50140340 is about 368.7475058722.

Adding to 50140340 its reverse (4304105), we get a palindrome (54444445).

The spelling of 50140340 in words is "fifty million, one hundred forty thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 2507017 5014034 10028068 12535085 25070170 50140340