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14061978 = 233737201
BaseRepresentation
bin110101101001…
…000110011010
3222110102102000
4311221012122
512044440403
61221221430
7230345010
oct65510632
928412360
1014061978
117a34a77
124861876
132bb46c8
141c208b0
15137b7a3
hexd6919a

14061978 has 32 divisors (see below), whose sum is σ = 35713920. Its totient is φ = 4017600.

The previous prime is 14061973. The next prime is 14061979. The reversal of 14061978 is 87916041.

14061978 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (14061973) 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, 18223 + ... + 18978.

It is an arithmetic number, because the mean of its divisors is an integer number (1116060).

Almost surely, 214061978 is an apocalyptic number.

14061978 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

14061978 is an abundant number, since it is smaller than the sum of its proper divisors (21651942).

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

14061978 is a wasteful number, since it uses less digits than its factorization.

14061978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37219 (or 37213 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The square root of 14061978 is about 3749.9303993541. The cubic root of 14061978 is about 241.3693595340.

The spelling of 14061978 in words is "fourteen million, sixty-one thousand, nine hundred seventy-eight".

Divisors: 1 2 3 6 7 9 14 18 21 27 42 54 63 126 189 378 37201 74402 111603 223206 260407 334809 520814 669618 781221 1004427 1562442 2008854 2343663 4687326 7030989 14061978