Search a number
-
+
70581116 = 2233153309
BaseRepresentation
bin1000011010011…
…11101101111100
311220210220002102
410031033231330
5121032043431
611000444232
71514633564
oct415175574
9156726072
1070581116
1136928701
121b779678
1311813198
149533da4
1562e2dcb
hex434fb7c

70581116 has 12 divisors (see below), whose sum is σ = 123892440. Its totient is φ = 35183280.

The previous prime is 70581113. The next prime is 70581149. The reversal of 70581116 is 61118507.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70581113) 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, 25331 + ... + 27978.

It is an arithmetic number, because the mean of its divisors is an integer number (10324370).

Almost surely, 270581116 is an apocalyptic number.

It is an amenable number.

70581116 is a deficient number, since it is larger than the sum of its proper divisors (53311324).

70581116 is a wasteful number, since it uses less digits than its factorization.

70581116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53644 (or 53642 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 29.

The square root of 70581116 is about 8401.2568107397. The cubic root of 70581116 is about 413.2658384993.

The spelling of 70581116 in words is "seventy million, five hundred eighty-one thousand, one hundred sixteen".

Divisors: 1 2 4 331 662 1324 53309 106618 213236 17645279 35290558 70581116