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82970942 = 2311338241
BaseRepresentation
bin1001111001000…
…00100100111110
312210010100201212
410330200210332
5132220032232
612122204422
72025145535
oct474404476
9183110655
1082970942
114292032a
1223953712
1314260742
14b03b31c
15743deb2
hex4f2093e

82970942 has 8 divisors (see below), whose sum is σ = 128471232. Its totient is φ = 40147200.

The previous prime is 82970843. The next prime is 82970947. The reversal of 82970942 is 24907928.

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

It is a self number, because there is not a number n which added to its sum of digits gives 82970942.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82970947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 669059 + ... + 669182.

It is an arithmetic number, because the mean of its divisors is an integer number (16058904).

Almost surely, 282970942 is an apocalyptic number.

82970942 is a deficient number, since it is larger than the sum of its proper divisors (45500290).

82970942 is a wasteful number, since it uses less digits than its factorization.

82970942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1338274.

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 82970942 is about 9108.8386746061. The cubic root of 82970942 is about 436.1561563646.

The spelling of 82970942 in words is "eighty-two million, nine hundred seventy thousand, nine hundred forty-two".

Divisors: 1 2 31 62 1338241 2676482 41485471 82970942