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70240022 = 2172389821
BaseRepresentation
bin1000010111111…
…00011100010110
311220011120012022
410023330130112
5120440140042
610545253142
71512013256
oct413743426
9156146168
1070240022
1136715406
121b6341b2
1311723b58
149485966
156276cd2
hex42fc716

70240022 has 16 divisors (see below), whose sum is σ = 116409312. Its totient is φ = 31616640.

The previous prime is 70240021. The next prime is 70240057. The reversal of 70240022 is 22004207.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70240021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44129 + ... + 45692.

It is an arithmetic number, because the mean of its divisors is an integer number (7275582).

Almost surely, 270240022 is an apocalyptic number.

70240022 is a deficient number, since it is larger than the sum of its proper divisors (46169290).

70240022 is a wasteful number, since it uses less digits than its factorization.

70240022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89863.

The product of its (nonzero) digits is 224, while the sum is 17.

The square root of 70240022 is about 8380.9320484061. The cubic root of 70240022 is about 412.5990398247.

Adding to 70240022 its reverse (22004207), we get a palindrome (92244229).

The spelling of 70240022 in words is "seventy million, two hundred forty thousand, twenty-two".

Divisors: 1 2 17 23 34 46 391 782 89821 179642 1526957 2065883 3053914 4131766 35120011 70240022