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70744241 = 531334797
BaseRepresentation
bin1000011011101…
…11100010110001
311221010011212002
410031313202301
5121102303431
611004143345
71516213301
oct415674261
9157104762
1070744241
1136a2a217
121b837b55
131186c4c9
149577601
1563263cb
hex43778b1

70744241 has 4 divisors (see below), whose sum is σ = 72079092. Its totient is φ = 69409392.

The previous prime is 70744237. The next prime is 70744273. The reversal of 70744241 is 14244707.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14244707 = 82917183.

It can be written as a sum of positive squares in 2 ways, for example, as 56190016 + 14554225 = 7496^2 + 3815^2 .

It is a cyclic number.

It is not a de Polignac number, because 70744241 - 22 = 70744237 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70741241) 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, 667346 + ... + 667451.

It is an arithmetic number, because the mean of its divisors is an integer number (18019773).

Almost surely, 270744241 is an apocalyptic number.

It is an amenable number.

70744241 is a deficient number, since it is larger than the sum of its proper divisors (1334851).

70744241 is a wasteful number, since it uses less digits than its factorization.

70744241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1334850.

The product of its (nonzero) digits is 6272, while the sum is 29.

The square root of 70744241 is about 8410.9595766476. The cubic root of 70744241 is about 413.5839694916.

Adding to 70744241 its reverse (14244707), we get a palindrome (84988948).

The spelling of 70744241 in words is "seventy million, seven hundred forty-four thousand, two hundred forty-one".

Divisors: 1 53 1334797 70744241