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13845742 = 243160997
BaseRepresentation
bin110100110100…
…010011101110
3222001102210021
4310310103232
512021030432
61212432354
7225454411
oct64642356
928042707
1013845742
1178a7569
1247786ba
132b3a161
141ba5b78
151337697
hexd344ee

13845742 has 8 divisors (see below), whose sum is σ = 21251736. Its totient is φ = 6761832.

The previous prime is 13845739. The next prime is 13845743. The reversal of 13845742 is 24754831.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 13845698 and 13845707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13845743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80413 + ... + 80584.

It is an arithmetic number, because the mean of its divisors is an integer number (2656467).

Almost surely, 213845742 is an apocalyptic number.

13845742 is a deficient number, since it is larger than the sum of its proper divisors (7405994).

13845742 is a wasteful number, since it uses less digits than its factorization.

13845742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161042.

The product of its digits is 26880, while the sum is 34.

The square root of 13845742 is about 3720.9866971006. The cubic root of 13845742 is about 240.1257558539.

The spelling of 13845742 in words is "thirteen million, eight hundred forty-five thousand, seven hundred forty-two".

Divisors: 1 2 43 86 160997 321994 6922871 13845742