Search a number
-
+
70071716 = 221113122503
BaseRepresentation
bin1000010110100…
…11010110100100
311212212000022202
410023103112210
5120414243331
610541514032
71510412501
oct413232644
9155760282
1070071716
113660aa10
121b572918
1311695370
1494404a8
156241ecb
hex42d35a4

70071716 has 24 divisors (see below), whose sum is σ = 144064704. Its totient is φ = 29400480.

The previous prime is 70071709. The next prime is 70071719. The reversal of 70071716 is 61717007.

It is not an unprimeable number, because it can be changed into a prime (70071719) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60680 + ... + 61823.

It is an arithmetic number, because the mean of its divisors is an integer number (6002696).

Almost surely, 270071716 is an apocalyptic number.

It is an amenable number.

70071716 is an abundant number, since it is smaller than the sum of its proper divisors (73992988).

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

70071716 is a wasteful number, since it uses less digits than its factorization.

70071716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122531 (or 122529 counting only the distinct ones).

The product of its (nonzero) digits is 2058, while the sum is 29.

The square root of 70071716 is about 8370.8850189212. The cubic root of 70071716 is about 412.2692257990.

The spelling of 70071716 in words is "seventy million, seventy-one thousand, seven hundred sixteen".

Divisors: 1 2 4 11 13 22 26 44 52 143 286 572 122503 245006 490012 1347533 1592539 2695066 3185078 5390132 6370156 17517929 35035858 70071716