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50455613 = 138943609
BaseRepresentation
bin1100000001111…
…0010000111101
310111221102002102
43000132100331
5100404034423
65001234445
71151602625
oct300362075
9114842072
1050455613
112653205a
1214a92a25
13a5b78c0
1469b5885
154669c28
hex301e43d

50455613 has 8 divisors (see below), whose sum is σ = 54948600. Its totient is φ = 46050048.

The previous prime is 50455607. The next prime is 50455619. The reversal of 50455613 is 31655405.

It is an interprime number because it is at equal distance from previous prime (50455607) and next prime (50455619).

It can be written as a sum of positive squares in 4 ways, for example, as 2748964 + 47706649 = 1658^2 + 6907^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 50455613 - 214 = 50439229 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50455619) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20648 + ... + 22961.

It is an arithmetic number, because the mean of its divisors is an integer number (6868575).

Almost surely, 250455613 is an apocalyptic number.

It is an amenable number.

50455613 is a deficient number, since it is larger than the sum of its proper divisors (4492987).

50455613 is a wasteful number, since it uses less digits than its factorization.

50455613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43711.

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 50455613 is about 7103.2114567990. The cubic root of 50455613 is about 369.5187632038.

The spelling of 50455613 in words is "fifty million, four hundred fifty-five thousand, six hundred thirteen".

Divisors: 1 13 89 1157 43609 566917 3881201 50455613