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13274730 = 23257191109
BaseRepresentation
bin110010101000…
…111001101010
3220222102111200
4302220321222
511344242410
61152305030
7220555560
oct62507152
926872450
1013274730
117547557
124542176
13299a291
141a97a30
1512733c0
hexca8e6a

13274730 has 96 divisors (see below), whose sum is σ = 41558400. Its totient is φ = 2871936.

The previous prime is 13274719. The next prime is 13274731. The reversal of 13274730 is 3747231.

13274730 = 6752 + 6762 + ... + 7022.

13274730 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 13274694 and 13274703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13274731) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11416 + ... + 12524.

It is an arithmetic number, because the mean of its divisors is an integer number (432900).

Almost surely, 213274730 is an apocalyptic number.

13274730 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 13274730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20779200).

13274730 is an abundant number, since it is smaller than the sum of its proper divisors (28283670).

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

13274730 is a wasteful number, since it uses less digits than its factorization.

13274730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1148 (or 1145 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 27.

The square root of 13274730 is about 3643.4502878453. The cubic root of 13274730 is about 236.7783003955.

The spelling of 13274730 in words is "thirteen million, two hundred seventy-four thousand, seven hundred thirty".

Divisors: 1 2 3 5 6 7 9 10 14 15 18 19 21 30 35 38 42 45 57 63 70 90 95 105 114 126 133 171 190 210 266 285 315 342 399 570 630 665 798 855 1109 1197 1330 1710 1995 2218 2394 3327 3990 5545 5985 6654 7763 9981 11090 11970 15526 16635 19962 21071 23289 33270 38815 42142 46578 49905 63213 69867 77630 99810 105355 116445 126426 139734 147497 189639 210710 232890 294994 316065 349335 379278 442491 632130 698670 737485 884982 948195 1327473 1474970 1896390 2212455 2654946 4424910 6637365 13274730