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102226865 = 51317711303
BaseRepresentation
bin1100001011111…
…01101110110001
321010100122220012
412011331232301
5202132224430
614051024305
72350625336
oct605755661
9233318805
10102226865
1152782614
122a29b095
1318243290
14d81098d
158e94695
hex617dbb1

102226865 has 32 divisors (see below), whose sum is σ = 141958656. Its totient is φ = 69995520.

The previous prime is 102226853. The next prime is 102226907. The reversal of 102226865 is 568622201.

It is not a de Polignac number, because 102226865 - 26 = 102226801 is a prime.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 77804 + ... + 79106.

It is an arithmetic number, because the mean of its divisors is an integer number (4436208).

Almost surely, 2102226865 is an apocalyptic number.

It is an amenable number.

102226865 is a deficient number, since it is larger than the sum of its proper divisors (39731791).

102226865 is a wasteful number, since it uses less digits than its factorization.

102226865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1409.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 102226865 is about 10110.7301912374. The cubic root of 102226865 is about 467.5790175948.

The spelling of 102226865 in words is "one hundred two million, two hundred twenty-six thousand, eight hundred sixty-five".

Divisors: 1 5 13 17 65 71 85 221 355 923 1105 1207 1303 4615 6035 6515 15691 16939 22151 78455 84695 92513 110755 287963 462565 1202669 1439815 1572721 6013345 7863605 20445373 102226865