Search a number
-
+
70560000 = 28325472
BaseRepresentation
bin1000011010010…
…10100100000000
311220202211010100
410031022210000
5121030410000
611000202400
71514515200
oct415124400
9156684110
1070560000
1136913855
121b769400
13118066a4
14952a400
1562dba00
hex434a900

70560000 has 405 divisors, whose sum is σ = 295726431. Its totient is φ = 16128000.

The previous prime is 70559971. The next prime is 70560011. The reversal of 70560000 is 6507.

The square root of 70560000 is 8400.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 2 ways, for example, as 5531904 + 65028096 = 2352^2 + 8064^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 10079997 + ... + 10080003.

Almost surely, 270560000 is an apocalyptic number.

70560000 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

70560000 is the 8400-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70560000

70560000 is an abundant number, since it is smaller than the sum of its proper divisors (225166431).

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

70560000 is an equidigital number, since it uses as much as digits as its factorization.

70560000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56 (or 17 counting only the distinct ones).

The product of its (nonzero) digits is 210, while the sum is 18.

The cubic root of 70560000 is about 413.2246216586.

Adding to 70560000 its reverse (6507), we get a palindrome (70566507).

The spelling of 70560000 in words is "seventy million, five hundred sixty thousand".