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70022823 = 31311315889
BaseRepresentation
bin1000010110001…
…11011010100111
311212202112020220
410023013122213
5120411212243
610540455423
71510120113
oct413073247
9155675226
1070022823
1136587202
121b54a573
1311679030
14942a743
156232783
hex42c76a7

70022823 has 16 divisors (see below), whose sum is σ = 101441760. Its totient is φ = 42706944.

The previous prime is 70022807. The next prime is 70022863. The reversal of 70022823 is 32822007.

It is not a de Polignac number, because 70022823 - 24 = 70022807 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 70022793 and 70022802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70022803) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3538 + ... + 12351.

It is an arithmetic number, because the mean of its divisors is an integer number (6340110).

Almost surely, 270022823 is an apocalyptic number.

70022823 is a deficient number, since it is larger than the sum of its proper divisors (31418937).

70022823 is a wasteful number, since it uses less digits than its factorization.

70022823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16018.

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 70022823 is about 8367.9640893111. The cubic root of 70022823 is about 412.1733156350.

The spelling of 70022823 in words is "seventy million, twenty-two thousand, eight hundred twenty-three".

Divisors: 1 3 13 39 113 339 1469 4407 15889 47667 206557 619671 1795457 5386371 23340941 70022823