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13174420 = 2257139677
BaseRepresentation
bin110010010000…
…011010010100
3220210022220111
4302100122110
511333040140
61150212404
7216660250
oct62203224
926708814
1013174420
117489156
1244b4104
13296371c
141a6d260
1512537ea
hexc90694

13174420 has 48 divisors (see below), whose sum is σ = 31893120. Its totient is φ = 4477824.

The previous prime is 13174417. The next prime is 13174433. The reversal of 13174420 is 2447131.

It is a junction number, because it is equal to n+sod(n) for n = 13174391 and 13174400.

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, 19122 + ... + 19798.

It is an arithmetic number, because the mean of its divisors is an integer number (664440).

Almost surely, 213174420 is an apocalyptic number.

13174420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13174420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15946560).

13174420 is an abundant number, since it is smaller than the sum of its proper divisors (18718700).

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

13174420 is a wasteful number, since it uses less digits than its factorization.

13174420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 832 (or 830 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 13174420 is about 3629.6583861295. The cubic root of 13174420 is about 236.1803897078.

The spelling of 13174420 in words is "thirteen million, one hundred seventy-four thousand, four hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 139 140 278 556 677 695 973 1354 1390 1946 2708 2780 3385 3892 4739 4865 6770 9478 9730 13540 18956 19460 23695 47390 94103 94780 188206 376412 470515 658721 941030 1317442 1882060 2634884 3293605 6587210 13174420