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14991942 = 237250993
BaseRepresentation
bin111001001100…
…001001000110
31001012200002010
4321030021012
512314220232
61253155050
7241300200
oct71141106
931180063
1014991942
11850a739
12502ba86
13314ba94
141dc3770
1514b20cc
hexe4c246

14991942 has 24 divisors (see below), whose sum is σ = 34879896. Its totient is φ = 4283328.

The previous prime is 14991917. The next prime is 14991947. The reversal of 14991942 is 24919941.

It is a self number, because there is not a number n which added to its sum of digits gives 14991942.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14991947) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25203 + ... + 25790.

It is an arithmetic number, because the mean of its divisors is an integer number (1453329).

Almost surely, 214991942 is an apocalyptic number.

14991942 is an abundant number, since it is smaller than the sum of its proper divisors (19887954).

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

14991942 is a wasteful number, since it uses less digits than its factorization.

14991942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51012 (or 51005 counting only the distinct ones).

The product of its digits is 23328, while the sum is 39.

The square root of 14991942 is about 3871.9429231330. The cubic root of 14991942 is about 246.5770378853.

The spelling of 14991942 in words is "fourteen million, nine hundred ninety-one thousand, nine hundred forty-two".

Divisors: 1 2 3 6 7 14 21 42 49 98 147 294 50993 101986 152979 305958 356951 713902 1070853 2141706 2498657 4997314 7495971 14991942