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13423470 = 235447449
BaseRepresentation
bin110011001101…
…001101101110
3221020222112120
4303031031232
511414022340
61155413410
7222045324
oct63151556
927228476
1013423470
117639285
1245b4266
132a1cba8
141ad5d14
1512a24d0
hexccd36e

13423470 has 16 divisors (see below), whose sum is σ = 32216400. Its totient is φ = 3579584.

The previous prime is 13423453. The next prime is 13423483. The reversal of 13423470 is 7432431.

It is a self number, because there is not a number n which added to its sum of digits gives 13423470.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 223695 + ... + 223754.

It is an arithmetic number, because the mean of its divisors is an integer number (2013525).

Almost surely, 213423470 is an apocalyptic number.

13423470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13423470 is an abundant number, since it is smaller than the sum of its proper divisors (18792930).

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

13423470 is a wasteful number, since it uses less digits than its factorization.

13423470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447459.

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 13423470 is about 3663.8053987623. The cubic root of 13423470 is about 237.6593648781.

The spelling of 13423470 in words is "thirteen million, four hundred twenty-three thousand, four hundred seventy".

Divisors: 1 2 3 5 6 10 15 30 447449 894898 1342347 2237245 2684694 4474490 6711735 13423470