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82942942 = 2192182709
BaseRepresentation
bin1001111000110…
…01101111011110
312210001221022211
410330121233132
5132213133232
612121431034
72025001105
oct474315736
9183057284
1082942942
1142901295
122393b47a
1314250a84
14b03103c
157435a47
hex4f19bde

82942942 has 8 divisors (see below), whose sum is σ = 130962600. Its totient is φ = 39288744.

The previous prime is 82942939. The next prime is 82942957. The reversal of 82942942 is 24924928.

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 = 82942895 and 82942904.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1091317 + ... + 1091392.

It is an arithmetic number, because the mean of its divisors is an integer number (16370325).

Almost surely, 282942942 is an apocalyptic number.

82942942 is a deficient number, since it is larger than the sum of its proper divisors (48019658).

82942942 is a wasteful number, since it uses less digits than its factorization.

82942942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2182730.

The product of its digits is 82944, while the sum is 40.

The square root of 82942942 is about 9107.3015762080. The cubic root of 82942942 is about 436.1070879956.

It can be divided in two parts, 8294 and 2942, that added together give a square (11236 = 1062).

The spelling of 82942942 in words is "eighty-two million, nine hundred forty-two thousand, nine hundred forty-two".

Divisors: 1 2 19 38 2182709 4365418 41471471 82942942