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13703430 = 2351341857
BaseRepresentation
bin110100010001…
…100100000110
3221210012120110
4310101210012
512002002210
61205413450
7224322456
oct64214406
927705513
1013703430
11780a654
12470a286
132aba450
141b69d66
15130a420
hexd11906

13703430 has 64 divisors (see below), whose sum is σ = 36324288. Its totient is φ = 3287040.

The previous prime is 13703407. The next prime is 13703441. The reversal of 13703430 is 3430731.

It is a junction number, because it is equal to n+sod(n) for n = 13703397 and 13703406.

It is a congruent number.

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, 15562 + ... + 16418.

It is an arithmetic number, because the mean of its divisors is an integer number (567567).

Almost surely, 213703430 is an apocalyptic number.

13703430 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 13703430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18162144).

13703430 is an abundant number, since it is smaller than the sum of its proper divisors (22620858).

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

13703430 is a wasteful number, since it uses less digits than its factorization.

13703430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 921.

The product of its (nonzero) digits is 756, while the sum is 21.

The square root of 13703430 is about 3701.8144199838. The cubic root of 13703430 is about 239.3002185355.

The spelling of 13703430 in words is "thirteen million, seven hundred three thousand, four hundred thirty".

Divisors: 1 2 3 5 6 10 13 15 26 30 39 41 65 78 82 123 130 195 205 246 390 410 533 615 857 1066 1230 1599 1714 2571 2665 3198 4285 5142 5330 7995 8570 11141 12855 15990 22282 25710 33423 35137 55705 66846 70274 105411 111410 167115 175685 210822 334230 351370 456781 527055 913562 1054110 1370343 2283905 2740686 4567810 6851715 13703430