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70427442 = 2311737907
BaseRepresentation
bin1000011001010…
…10001100110010
311220112002021210
410030222030302
5121012134232
610553300550
71513423551
oct414521462
9156462253
1070427442
11368331a8
121b704756
131178b257
1494d3d98
1562b25cc
hex432a332

70427442 has 8 divisors (see below), whose sum is σ = 140854896. Its totient is φ = 23475812.

The previous prime is 70427377. The next prime is 70427501. The reversal of 70427442 is 24472407.

It is a sphenic number, since it is the product of 3 distinct primes.

70427442 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5868948 + ... + 5868959.

It is an arithmetic number, because the mean of its divisors is an integer number (17606862).

Almost surely, 270427442 is an apocalyptic number.

70427442 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70427442 is a wasteful number, since it uses less digits than its factorization.

70427442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11737912.

The product of its (nonzero) digits is 12544, while the sum is 30.

The square root of 70427442 is about 8392.1059335545. The cubic root of 70427442 is about 412.9656904079.

Adding to 70427442 its reverse (24472407), we get a palindrome (94899849).

The spelling of 70427442 in words is "seventy million, four hundred twenty-seven thousand, four hundred forty-two".

Divisors: 1 2 3 6 11737907 23475814 35213721 70427442