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70045382 = 21129109789
BaseRepresentation
bin1000010110011…
…00111011000110
311212210200012102
410023030323012
5120412423012
610541152102
71510242641
oct413147306
9155720172
1070045382
11365a2150
121b55b632
1311686394
149434a58
1562392c2
hex42ccec6

70045382 has 16 divisors (see below), whose sum is σ = 118573200. Its totient is φ = 30740640.

The previous prime is 70045379. The next prime is 70045433. The reversal of 70045382 is 28354007.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54257 + ... + 55532.

It is an arithmetic number, because the mean of its divisors is an integer number (7410825).

Almost surely, 270045382 is an apocalyptic number.

70045382 is a deficient number, since it is larger than the sum of its proper divisors (48527818).

70045382 is a wasteful number, since it uses less digits than its factorization.

70045382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109831.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 70045382 is about 8369.3119191484. The cubic root of 70045382 is about 412.2175736787.

Adding to 70045382 its reverse (28354007), we get a palindrome (98399389).

The spelling of 70045382 in words is "seventy million, forty-five thousand, three hundred eighty-two".

Divisors: 1 2 11 22 29 58 319 638 109789 219578 1207679 2415358 3183881 6367762 35022691 70045382