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82920141 = 329213349
BaseRepresentation
bin1001111000101…
…00001011001101
312210000210001100
410330110023031
5132211421031
612121133313
72024544453
oct474241315
9183023040
1082920141
1142896147
122392a239
1314243595
14b0269d3
15742dde6
hex4f142cd

82920141 has 6 divisors (see below), whose sum is σ = 119773550. Its totient is φ = 55280088.

The previous prime is 82920137. The next prime is 82920181. The reversal of 82920141 is 14102928.

It can be written as a sum of positive squares in only one way, i.e., 57062916 + 25857225 = 7554^2 + 5085^2 .

It is not a de Polignac number, because 82920141 - 22 = 82920137 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82920181) 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 5 ways as a sum of consecutive naturals, for example, 4606666 + ... + 4606683.

Almost surely, 282920141 is an apocalyptic number.

It is an amenable number.

82920141 is a deficient number, since it is larger than the sum of its proper divisors (36853409).

82920141 is a wasteful number, since it uses less digits than its factorization.

82920141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9213355 (or 9213352 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 82920141 is about 9106.0496923748. The cubic root of 82920141 is about 436.0671224129.

The spelling of 82920141 in words is "eighty-two million, nine hundred twenty thousand, one hundred forty-one".

Divisors: 1 3 9 9213349 27640047 82920141