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58439890237 = 104535590729
BaseRepresentation
bin110110011011010010…
…011111010100111101
312120211202222000111011
4312123102133110331
51424141102441422
642502533355221
74136123604511
oct663322372475
9176752860434
1058439890237
1122869881553
12b3ab498b11
135684480011
142b855c4141
1517c07d3077
hexd9b49f53d

58439890237 has 4 divisors (see below), whose sum is σ = 58445491420. Its totient is φ = 58434289056.

The previous prime is 58439890231. The next prime is 58439890247. The reversal of 58439890237 is 73209893485.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 31744905241 + 26694984996 = 178171^2 + 163386^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-58439890237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (58439890231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2784912 + ... + 2805817.

It is an arithmetic number, because the mean of its divisors is an integer number (14611372855).

Almost surely, 258439890237 is an apocalyptic number.

It is an amenable number.

58439890237 is a deficient number, since it is larger than the sum of its proper divisors (5601183).

58439890237 is a wasteful number, since it uses less digits than its factorization.

58439890237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5601182.

The product of its (nonzero) digits is 13063680, while the sum is 58.

It can be divided in two parts, 58439 and 890237, that added together give a square (948676 = 9742).

The spelling of 58439890237 in words is "fifty-eight billion, four hundred thirty-nine million, eight hundred ninety thousand, two hundred thirty-seven".

Divisors: 1 10453 5590729 58439890237