Search a number
-
+
70299242 = 21317315629
BaseRepresentation
bin1000011000010…
…10111001101010
311220021120102122
410030022321222
5120444033432
610550431242
71512351026
oct414127152
9156246378
1070299242
1136755952
121b662522
1311744ab0
14949d386
156289612
hex430ae6a

70299242 has 16 divisors (see below), whose sum is σ = 114224040. Its totient is φ = 32256192.

The previous prime is 70299241. The next prime is 70299283. The reversal of 70299242 is 24299207.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 70241161 + 58081 = 8381^2 + 241^2 .

It is not an unprimeable number, because it can be changed into a prime (70299241) 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, 3317 + ... + 12312.

Almost surely, 270299242 is an apocalyptic number.

70299242 is a deficient number, since it is larger than the sum of its proper divisors (43924798).

70299242 is a wasteful number, since it uses less digits than its factorization.

70299242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15817.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 70299242 is about 8384.4643239744. The cubic root of 70299242 is about 412.7149625840.

Subtracting from 70299242 its sum of digits (35), we obtain a palindrome (70299207).

The spelling of 70299242 in words is "seventy million, two hundred ninety-nine thousand, two hundred forty-two".

Divisors: 1 2 13 26 173 346 2249 4498 15629 31258 203177 406354 2703817 5407634 35149621 70299242