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102122074 = 2192687423
BaseRepresentation
bin1100001011001…
…00001001011010
321010011100011001
412011210021122
5202120401244
614044455214
72350010665
oct605441132
9233140131
10102122074
115271090a
122a24a50a
1318207682
14d7c46dc
158e735d4
hex616425a

102122074 has 8 divisors (see below), whose sum is σ = 161245440. Its totient is φ = 48373596.

The previous prime is 102122057. The next prime is 102122089. The reversal of 102122074 is 470221201.

It is a happy number.

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

It is a super-2 number, since 2×1021220742 = 20857835996122952, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

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, 1343674 + ... + 1343749.

It is an arithmetic number, because the mean of its divisors is an integer number (20155680).

Almost surely, 2102122074 is an apocalyptic number.

102122074 is a deficient number, since it is larger than the sum of its proper divisors (59123366).

102122074 is a wasteful number, since it uses less digits than its factorization.

102122074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2687444.

The product of its (nonzero) digits is 224, while the sum is 19.

The square root of 102122074 is about 10105.5466947612. The cubic root of 102122074 is about 467.4191939035.

Adding to 102122074 its reverse (470221201), we get a palindrome (572343275).

The spelling of 102122074 in words is "one hundred two million, one hundred twenty-two thousand, seventy-four".

Divisors: 1 2 19 38 2687423 5374846 51061037 102122074