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102220310 = 25831071151
BaseRepresentation
bin1100001011111…
…00001000010110
321010100022220102
412011330020112
5202132022220
614050534102
72350600253
oct605741026
9233308812
10102220310
11527786a5
122a297332
13182402ba
14d80c42a
158e92775
hex617c216

102220310 has 32 divisors (see below), whose sum is σ = 188116992. Its totient is φ = 39983200.

The previous prime is 102220297. The next prime is 102220343. The reversal of 102220310 is 13022201.

102220310 = T466 + T467 + ... + T893.

It is a happy number.

It is a super-2 number, since 2×1022203102 = 20897983552992200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102220291 and 102220300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88235 + ... + 89385.

It is an arithmetic number, because the mean of its divisors is an integer number (5878656).

Almost surely, 2102220310 is an apocalyptic number.

102220310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102220310 is a deficient number, since it is larger than the sum of its proper divisors (85896682).

102220310 is a wasteful number, since it uses less digits than its factorization.

102220310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1348.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 102220310 is about 10110.4060254769. The cubic root of 102220310 is about 467.5690233336.

Adding to 102220310 its reverse (13022201), we get a palindrome (115242511).

The spelling of 102220310 in words is "one hundred two million, two hundred twenty thousand, three hundred ten".

Divisors: 1 2 5 10 83 107 166 214 415 535 830 1070 1151 2302 5755 8881 11510 17762 44405 88810 95533 123157 191066 246314 477665 615785 955330 1231570 10222031 20444062 51110155 102220310