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70022871 = 3233723087
BaseRepresentation
bin1000010110001…
…11011011010111
311212202112022200
410023013123113
5120411212441
610540455543
71510120212
oct413073327
9155675280
1070022871
1136587246
121b54a5b3
1311679069
14942a779
1562327b6
hex42c76d7

70022871 has 12 divisors (see below), whose sum is σ = 101448672. Its totient is φ = 46541376.

The previous prime is 70022863. The next prime is 70022873. The reversal of 70022871 is 17822007.

It is not a de Polignac number, because 70022871 - 23 = 70022863 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70022873) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8511 + ... + 14576.

It is an arithmetic number, because the mean of its divisors is an integer number (8454056).

Almost surely, 270022871 is an apocalyptic number.

70022871 is a deficient number, since it is larger than the sum of its proper divisors (31425801).

70022871 is a wasteful number, since it uses less digits than its factorization.

70022871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23430 (or 23427 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 27.

The square root of 70022871 is about 8367.9669573917. The cubic root of 70022871 is about 412.1734098153.

Adding to 70022871 its reverse (17822007), we get a palindrome (87844878).

The spelling of 70022871 in words is "seventy million, twenty-two thousand, eight hundred seventy-one".

Divisors: 1 3 9 337 1011 3033 23087 69261 207783 7780319 23340957 70022871