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123300030 = 2357587143
BaseRepresentation
bin1110101100101…
…10100010111110
322121000021211210
413112112202332
5223031100110
620122425250
73025014210
oct726264276
9277007753
10123300030
1163666157
1235362226
131c710cc9
14125385b0
15ac58520
hex75968be

123300030 has 32 divisors (see below), whose sum is σ = 338194944. Its totient is φ = 28182816.

The previous prime is 123300017. The next prime is 123300043. The reversal of 123300030 is 30003321.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (123300017) and next prime (123300043).

It is a junction number, because it is equal to n+sod(n) for n = 123299979 and 123300015.

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, 293362 + ... + 293781.

It is an arithmetic number, because the mean of its divisors is an integer number (10568592).

Almost surely, 2123300030 is an apocalyptic number.

123300030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123300030 is an abundant number, since it is smaller than the sum of its proper divisors (214894914).

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

123300030 is a wasteful number, since it uses less digits than its factorization.

123300030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 587160.

The product of its (nonzero) digits is 54, while the sum is 12.

The square root of 123300030 is about 11104.0546648510. The cubic root of 123300030 is about 497.7230197961.

Adding to 123300030 its reverse (30003321), we get a palindrome (153303351).

The spelling of 123300030 in words is "one hundred twenty-three million, three hundred thousand, thirty".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 587143 1174286 1761429 2935715 3522858 4110001 5871430 8220002 8807145 12330003 17614290 20550005 24660006 41100010 61650015 123300030