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82913242 = 241456621
BaseRepresentation
bin1001111000100…
…10011111011010
312210000102120211
410330102133122
5132211210432
612121041334
72024515366
oct474223732
9183012524
1082913242
1142890a45
122392624a
13142403b9
14b0242a6
15742bd47
hex4f127da

82913242 has 4 divisors (see below), whose sum is σ = 124369866. Its totient is φ = 41456620.

The previous prime is 82913227. The next prime is 82913261. The reversal of 82913242 is 24231928.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 79192201 + 3721041 = 8899^2 + 1929^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20728309 + ... + 20728312.

Almost surely, 282913242 is an apocalyptic number.

82913242 is a deficient number, since it is larger than the sum of its proper divisors (41456624).

82913242 is a wasteful number, since it uses less digits than its factorization.

82913242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41456623.

The product of its digits is 6912, while the sum is 31.

The square root of 82913242 is about 9105.6708703972. The cubic root of 82913242 is about 436.0550284050.

The spelling of 82913242 in words is "eighty-two million, nine hundred thirteen thousand, two hundred forty-two".

Divisors: 1 2 41456621 82913242