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58298749 = 73798613
BaseRepresentation
bin1101111001100…
…1000101111101
311001200212211221
43132121011331
5104411024444
65441313341
71305350125
oct336310575
9131625757
1058298749
112a9a9793
1217635851
13c102802
147a57c85
1551b8a84
hex379917d

58298749 has 4 divisors (see below), whose sum is σ = 59097436. Its totient is φ = 57500064.

The previous prime is 58298741. The next prime is 58298809. The reversal of 58298749 is 94789285.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 94789285 = 518957857.

It can be written as a sum of positive squares in 2 ways, for example, as 15657849 + 42640900 = 3957^2 + 6530^2 .

It is a cyclic number.

It is not a de Polignac number, because 58298749 - 23 = 58298741 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 58298696 and 58298705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (58298741) 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, 399234 + ... + 399379.

It is an arithmetic number, because the mean of its divisors is an integer number (14774359).

Almost surely, 258298749 is an apocalyptic number.

It is an amenable number.

58298749 is a deficient number, since it is larger than the sum of its proper divisors (798687).

58298749 is an equidigital number, since it uses as much as digits as its factorization.

58298749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 798686.

The product of its digits is 1451520, while the sum is 52.

The square root of 58298749 is about 7635.3617465055. The cubic root of 58298749 is about 387.7511357142.

The spelling of 58298749 in words is "fifty-eight million, two hundred ninety-eight thousand, seven hundred forty-nine".

Divisors: 1 73 798613 58298749