Search a number
-
+
70954243 = 174173779
BaseRepresentation
bin1000011101010…
…10110100000011
311221111211220221
410032222310003
5121131013433
611012443511
71521046453
oct416526403
9157454827
1070954243
1137062a78
121b919597
1311913c79
1495cdd63
15636872d
hex43aad03

70954243 has 4 divisors (see below), whose sum is σ = 75128040. Its totient is φ = 66780448.

The previous prime is 70954211. The next prime is 70954249. The reversal of 70954243 is 34245907.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34245907 = 57016007.

It is a cyclic number.

It is not a de Polignac number, because 70954243 - 25 = 70954211 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 70954199 and 70954208.

It is not an unprimeable number, because it can be changed into a prime (70954249) 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, 2086873 + ... + 2086906.

It is an arithmetic number, because the mean of its divisors is an integer number (18782010).

Almost surely, 270954243 is an apocalyptic number.

70954243 is a deficient number, since it is larger than the sum of its proper divisors (4173797).

70954243 is a wasteful number, since it uses less digits than its factorization.

70954243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4173796.

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 70954243 is about 8423.4341571594. The cubic root of 70954243 is about 413.9928021184.

The spelling of 70954243 in words is "seventy million, nine hundred fifty-four thousand, two hundred forty-three".

Divisors: 1 17 4173779 70954243