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748704085 = 5149740817
BaseRepresentation
bin101100101000000…
…101000101010101
31221011211002220221
4230220011011111
53013132012320
6202143154341
724360610513
oct5450050525
91834732827
10748704085
11354695508
1218a8a59b1
13bc16298c
14716154b3
1545ae33aa
hex2ca05155

748704085 has 4 divisors (see below), whose sum is σ = 898444908. Its totient is φ = 598963264.

The previous prime is 748704083. The next prime is 748704097. The reversal of 748704085 is 580407847.

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 357890724 + 390813361 = 18918^2 + 19769^2 .

It is a cyclic number.

It is not a de Polignac number, because 748704085 - 21 = 748704083 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 (748704083) 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, 74870404 + ... + 74870413.

It is an arithmetic number, because the mean of its divisors is an integer number (224611227).

Almost surely, 2748704085 is an apocalyptic number.

It is an amenable number.

748704085 is a deficient number, since it is larger than the sum of its proper divisors (149740823).

748704085 is a wasteful number, since it uses less digits than its factorization.

748704085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149740822.

The product of its (nonzero) digits is 250880, while the sum is 43.

The square root of 748704085 is about 27362.4575833385. The cubic root of 748704085 is about 908.0366983201.

The spelling of 748704085 in words is "seven hundred forty-eight million, seven hundred four thousand, eighty-five".

Divisors: 1 5 149740817 748704085