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50701381 is a prime number
BaseRepresentation
bin1100000101101…
…0010001000101
310112101220012221
43001122101011
5100434421011
65010412341
71153645303
oct301322105
9115356187
1050701381
112668a775
1214b910b1
13a672723
146a3b273
1546b7971
hex305a445

50701381 has 2 divisors, whose sum is σ = 50701382. Its totient is φ = 50701380.

The previous prime is 50701373. The next prime is 50701393. The reversal of 50701381 is 18310705.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43678881 + 7022500 = 6609^2 + 2650^2 .

It is a cyclic number.

It is not a de Polignac number, because 50701381 - 23 = 50701373 is a prime.

It is a super-2 number, since 2×507013812 = 5141260070614322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50701081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25350690 + 25350691.

It is an arithmetic number, because the mean of its divisors is an integer number (25350691).

Almost surely, 250701381 is an apocalyptic number.

It is an amenable number.

50701381 is a deficient number, since it is larger than the sum of its proper divisors (1).

50701381 is an equidigital number, since it uses as much as digits as its factorization.

50701381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 840, while the sum is 25.

The square root of 50701381 is about 7120.4902218878. The cubic root of 50701381 is about 370.1177638289.

The spelling of 50701381 in words is "fifty million, seven hundred one thousand, three hundred eighty-one".