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14057730 = 23251091433
BaseRepresentation
bin110101101000…
…000100000010
3222110012120200
4311220010002
512044321410
61221150030
7230326431
oct65500402
928405520
1014057730
117a31865
12485b316
132bb27ab
141c1d118
15137a3c0
hexd68102

14057730 has 48 divisors (see below), whose sum is σ = 36911160. Its totient is φ = 3711744.

The previous prime is 14057713. The next prime is 14057731. The reversal of 14057730 is 3775041.

It can be written as a sum of positive squares in 4 ways, for example, as 13593969 + 463761 = 3687^2 + 681^2 .

It is a junction number, because it is equal to n+sod(n) for n = 14057694 and 14057703.

It is not an unprimeable number, because it can be changed into a prime (14057731) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9094 + ... + 10526.

Almost surely, 214057730 is an apocalyptic number.

14057730 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 14057730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18455580).

14057730 is an abundant number, since it is smaller than the sum of its proper divisors (22853430).

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

14057730 is a wasteful number, since it uses less digits than its factorization.

14057730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1555 (or 1552 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 27.

The square root of 14057730 is about 3749.3639460581. The cubic root of 14057730 is about 241.3450518985.

The spelling of 14057730 in words is "fourteen million, fifty-seven thousand, seven hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 109 218 327 545 654 981 1090 1433 1635 1962 2866 3270 4299 4905 7165 8598 9810 12897 14330 21495 25794 42990 64485 128970 156197 312394 468591 780985 937182 1405773 1561970 2342955 2811546 4685910 7028865 14057730