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13469730 = 2354147233
BaseRepresentation
bin110011011000…
…100000100010
3221100022222220
4303120200202
511422012410
61200411510
7222330231
oct63304042
927308886
1013469730
11767000a
124616b96
132a37c71
141b08b18
1512b1070
hexcd8822

13469730 has 64 divisors (see below), whose sum is σ = 33965568. Its totient is φ = 3415040.

The previous prime is 13469669. The next prime is 13469761. The reversal of 13469730 is 3796431.

It is a junction number, because it is equal to n+sod(n) for n = 13469691 and 13469700.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 57694 + ... + 57926.

It is an arithmetic number, because the mean of its divisors is an integer number (530712).

Almost surely, 213469730 is an apocalyptic number.

13469730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 13469730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16982784).

13469730 is an abundant number, since it is smaller than the sum of its proper divisors (20495838).

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

13469730 is a wasteful number, since it uses less digits than its factorization.

13469730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331.

The product of its (nonzero) digits is 13608, while the sum is 33.

The square root of 13469730 is about 3670.1130772770. The cubic root of 13469730 is about 237.9320593210.

The spelling of 13469730 in words is "thirteen million, four hundred sixty-nine thousand, seven hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 41 47 82 94 123 141 205 233 235 246 282 410 466 470 615 699 705 1165 1230 1398 1410 1927 2330 3495 3854 5781 6990 9553 9635 10951 11562 19106 19270 21902 28659 28905 32853 47765 54755 57318 57810 65706 95530 109510 143295 164265 286590 328530 448991 897982 1346973 2244955 2693946 4489910 6734865 13469730