Search a number
-
+
1480561445 = 51122447209
BaseRepresentation
bin101100000111111…
…1001001100100101
310211011221022111002
41120033321030211
511013010431240
6402525323045
751455364446
oct13017711445
93734838432
101480561445
1169a813800
12353a06485
131a797757c
141008c32cd
1589ea9d15
hex583f9325

1480561445 has 12 divisors (see below), whose sum is σ = 1952873580. Its totient is φ = 1076771520.

The previous prime is 1480561427. The next prime is 1480561463. The reversal of 1480561445 is 5441650841.

It is an interprime number because it is at equal distance from previous prime (1480561427) and next prime (1480561463).

It can be written as a sum of positive squares in 2 ways, for example, as 239197156 + 1241364289 = 15466^2 + 35233^2 .

It is not a de Polignac number, because 1480561445 - 28 = 1480561189 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1480561399 and 1480561408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1223000 + ... + 1224209.

It is an arithmetic number, because the mean of its divisors is an integer number (162739465).

Almost surely, 21480561445 is an apocalyptic number.

It is an amenable number.

1480561445 is a deficient number, since it is larger than the sum of its proper divisors (472312135).

1480561445 is a wasteful number, since it uses less digits than its factorization.

1480561445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2447236 (or 2447225 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 38.

The square root of 1480561445 is about 38478.0644653548. The cubic root of 1480561445 is about 1139.7479295452.

The spelling of 1480561445 in words is "one billion, four hundred eighty million, five hundred sixty-one thousand, four hundred forty-five".

Divisors: 1 5 11 55 121 605 2447209 12236045 26919299 134596495 296112289 1480561445