Search a number
-
+
1745105040 = 243357211547
BaseRepresentation
bin110100000000100…
…0011000010010000
311111121201112002000
41220001003002100
512033221330130
6445055354000
761150101540
oct15001030220
94447645060
101745105040
11816080278
12408522900
1321a70c943
14127aa7320
15a3313260
hex68043090

1745105040 has 320 divisors, whose sum is σ = 6914795520. Its totient is φ = 396264960.

The previous prime is 1745105039. The next prime is 1745105053. The reversal of 1745105040 is 405015471.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 1745104995 and 1745105013.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3190047 + ... + 3190593.

It is an arithmetic number, because the mean of its divisors is an integer number (21608736).

Almost surely, 21745105040 is an apocalyptic number.

1745105040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1745105040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3457397760).

1745105040 is an abundant number, since it is smaller than the sum of its proper divisors (5169690480).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1745105040 is a wasteful number, since it uses less digits than its factorization.

1745105040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 787 (or 775 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 27.

The square root of 1745105040 is about 41774.4543950008. The cubic root of 1745105040 is about 1203.9465066759.

The spelling of 1745105040 in words is "one billion, seven hundred forty-five million, one hundred five thousand, forty".