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123434030 = 2512343403
BaseRepresentation
bin1110101101101…
…11010000101110
322121021002122202
413112313100232
5223044342110
620125341502
73026112656
oct726672056
9277232582
10123434030
11637478a5
1235407892
131c759cb5
1412571366
15ac830a5
hex75b742e

123434030 has 8 divisors (see below), whose sum is σ = 222181272. Its totient is φ = 49373608.

The previous prime is 123434029. The next prime is 123434039. The reversal of 123434030 is 30434321.

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

It is a junction number, because it is equal to n+sod(n) for n = 123433993 and 123434011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123434039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6171692 + ... + 6171711.

It is an arithmetic number, because the mean of its divisors is an integer number (27772659).

Almost surely, 2123434030 is an apocalyptic number.

123434030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123434030 is a deficient number, since it is larger than the sum of its proper divisors (98747242).

123434030 is a wasteful number, since it uses less digits than its factorization.

123434030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12343410.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 123434030 is about 11110.0868583463. The cubic root of 123434030 is about 497.9032596504.

Adding to 123434030 its reverse (30434321), we get a palindrome (153868351).

The spelling of 123434030 in words is "one hundred twenty-three million, four hundred thirty-four thousand, thirty".

Divisors: 1 2 5 10 12343403 24686806 61717015 123434030