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2081942 = 21397489
BaseRepresentation
bin111111100010010010110
310220202212222
413330102112
51013110232
6112342342
723460542
oct7742226
93822788
102081942
1111a2215
128449b2
1357b825
143c2a22
152b1d12
hex1fc496

2081942 has 8 divisors (see below), whose sum is σ = 3145800. Its totient is φ = 1033344.

The previous prime is 2081927. The next prime is 2081969. The reversal of 2081942 is 2491802.

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

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3467 + ... + 4022.

It is an arithmetic number, because the mean of its divisors is an integer number (393225).

22081942 is an apocalyptic number.

2081942 is a deficient number, since it is larger than the sum of its proper divisors (1063858).

2081942 is a wasteful number, since it uses less digits than its factorization.

2081942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7630.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 2081942 is about 1442.8936204724. The cubic root of 2081942 is about 127.6898006178.

The spelling of 2081942 in words is "two million, eighty-one thousand, nine hundred forty-two".

Divisors: 1 2 139 278 7489 14978 1040971 2081942