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102223830 = 2354497589
BaseRepresentation
bin1100001011111…
…00111111010110
321010100111201210
412011330333112
5202132130310
614051002250
72350613442
oct605747726
9233314653
10102223830
1152780305
122a299386
1318241a97
14d80d822
158e93820
hex617cfd6

102223830 has 32 divisors (see below), whose sum is σ = 245916000. Its totient is φ = 27195392.

The previous prime is 102223787. The next prime is 102223837. The reversal of 102223830 is 38322201.

It is a super-2 number, since 2×1022238302 = 20899422839737800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102223797 and 102223806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102223837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9676 + ... + 17264.

It is an arithmetic number, because the mean of its divisors is an integer number (7684875).

Almost surely, 2102223830 is an apocalyptic number.

102223830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102223830 is an abundant number, since it is smaller than the sum of its proper divisors (143692170).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102223830 is a wasteful number, since it uses less digits than its factorization.

102223830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8048.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 102223830 is about 10110.5801020515. The cubic root of 102223830 is about 467.5743902516.

The spelling of 102223830 in words is "one hundred two million, two hundred twenty-three thousand, eight hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 449 898 1347 2245 2694 4490 6735 7589 13470 15178 22767 37945 45534 75890 113835 227670 3407461 6814922 10222383 17037305 20444766 34074610 51111915 102223830