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40942 = 2111861
BaseRepresentation
bin1001111111101110
32002011101
421333232
52302232
6513314
7230236
oct117756
962141
1040942
1128840
121b83a
1315835
1410cc6
15c1e7
hex9fee

40942 has 8 divisors (see below), whose sum is σ = 67032. Its totient is φ = 18600.

The previous prime is 40939. The next prime is 40949. The reversal of 40942 is 24904.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40949) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 909 + ... + 952.

It is an arithmetic number, because the mean of its divisors is an integer number (8379).

240942 is an apocalyptic number.

40942 is a deficient number, since it is larger than the sum of its proper divisors (26090).

40942 is a wasteful number, since it uses less digits than its factorization.

40942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1874.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 40942 is about 202.3412958345. The cubic root of 40942 is about 34.4659048444.

It can be divided in two parts, 4094 and 2, that added together give a 12-th power (4096 = 212).

The spelling of 40942 in words is "forty thousand, nine hundred forty-two".

Divisors: 1 2 11 22 1861 3722 20471 40942