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13420630 = 251342063
BaseRepresentation
bin110011001100…
…100001010110
3221020211122101
4303030201112
511413430010
61155352314
7222034126
oct63144126
927224571
1013420630
117637133
1245b269a
132a1b802
141ad4c86
1512a173a
hexccc856

13420630 has 8 divisors (see below), whose sum is σ = 24157152. Its totient is φ = 5368248.

The previous prime is 13420619. The next prime is 13420637. The reversal of 13420630 is 3602431.

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

It is a super-2 number, since 2×134206302 = 360226619193800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13420598 and 13420607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13420637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 671022 + ... + 671041.

It is an arithmetic number, because the mean of its divisors is an integer number (3019644).

Almost surely, 213420630 is an apocalyptic number.

13420630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13420630 is a deficient number, since it is larger than the sum of its proper divisors (10736522).

13420630 is a wasteful number, since it uses less digits than its factorization.

13420630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1342070.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 13420630 is about 3663.4178030904. The cubic root of 13420630 is about 237.6426031863.

The spelling of 13420630 in words is "thirteen million, four hundred twenty thousand, six hundred thirty".

Divisors: 1 2 5 10 1342063 2684126 6710315 13420630