Search a number
-
+
5445245520 = 24335111317261
BaseRepresentation
bin1010001001000111…
…11101101001010000
3112001111012010121000
411010203331221100
542122440324040
62300154302000
7251636552241
oct50443755120
915044163530
105445245520
112344776610
12107b727900
1368a182490
14399282cc8
1521d0a6130
hex1448fda50

5445245520 has 960 divisors, whose sum is σ = 23790977280. Its totient is φ = 1128038400.

The previous prime is 5445245501. The next prime is 5445245521. The reversal of 5445245520 is 255425445.

5445245520 is a `hidden beast` number, since 5 + 44 + 52 + 45 + 520 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5445245521) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 89266290 + ... + 89266350.

It is an arithmetic number, because the mean of its divisors is an integer number (24782268).

Almost surely, 25445245520 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5445245520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11895488640).

5445245520 is an abundant number, since it is smaller than the sum of its proper divisors (18345731760).

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

5445245520 is a wasteful number, since it uses less digits than its factorization.

5445245520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141 (or 112 counting only the distinct ones).

The product of its (nonzero) digits is 160000, while the sum is 36.

The square root of 5445245520 is about 73791.9068733150. The cubic root of 5445245520 is about 1759.2969730031.

The spelling of 5445245520 in words is "five billion, four hundred forty-five million, two hundred forty-five thousand, five hundred twenty".