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14157705 = 351078821
BaseRepresentation
bin110110000000…
…011110001001
3222122021201110
4312000132021
512111021310
61223240533
7231224052
oct66003611
928567643
1014157705
117a9a991
1248a9149
132c19153
141c47729
151399d20
hexd80789

14157705 has 16 divisors (see below), whose sum is σ = 22866624. Its totient is φ = 7479360.

The previous prime is 14157701. The next prime is 14157709. The reversal of 14157705 is 50775141.

It is an interprime number because it is at equal distance from previous prime (14157701) and next prime (14157709).

It is not a de Polignac number, because 14157705 - 22 = 14157701 is a prime.

It is a super-3 number, since 3×141577053 (a number of 22 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (14157701) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2806 + ... + 6015.

It is an arithmetic number, because the mean of its divisors is an integer number (1429164).

Almost surely, 214157705 is an apocalyptic number.

14157705 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

14157705 is a deficient number, since it is larger than the sum of its proper divisors (8708919).

14157705 is a wasteful number, since it uses less digits than its factorization.

14157705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8936.

The product of its (nonzero) digits is 4900, while the sum is 30.

The square root of 14157705 is about 3762.6725874038. The cubic root of 14157705 is about 241.9158291617.

The spelling of 14157705 in words is "fourteen million, one hundred fifty-seven thousand, seven hundred five".

Divisors: 1 3 5 15 107 321 535 1605 8821 26463 44105 132315 943847 2831541 4719235 14157705