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70414249 = 181389029
BaseRepresentation
bin1000011001001…
…10111110101001
311220111102012011
410030212332221
5121011223444
610553115521
71513340233
oct414467651
9156442164
1070414249
11368242a4
121b6b8ba1
1311785249
1494cd253
1562ad734
hex4326fa9

70414249 has 4 divisors (see below), whose sum is σ = 70803460. Its totient is φ = 70025040.

The previous prime is 70414243. The next prime is 70414273. The reversal of 70414249 is 94241407.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 94241407 = 137249339.

It can be written as a sum of positive squares in 2 ways, for example, as 35521600 + 34892649 = 5960^2 + 5907^2 .

It is a cyclic number.

It is not a de Polignac number, because 70414249 - 23 = 70414241 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 70414249.

It is not an unprimeable number, because it can be changed into a prime (70414241) 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, 194334 + ... + 194695.

It is an arithmetic number, because the mean of its divisors is an integer number (17700865).

Almost surely, 270414249 is an apocalyptic number.

It is an amenable number.

70414249 is a deficient number, since it is larger than the sum of its proper divisors (389211).

70414249 is a wasteful number, since it uses less digits than its factorization.

70414249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389210.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 70414249 is about 8391.3198604272. The cubic root of 70414249 is about 412.9399021809.

The spelling of 70414249 in words is "seventy million, four hundred fourteen thousand, two hundred forty-nine".

Divisors: 1 181 389029 70414249