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8290491342 = 237401492251
BaseRepresentation
bin1111011100010011…
…01101101111001110
3210101210000121002220
413232021231233032
5113434331210332
63450354000210
7412306004460
oct75611555716
923353017086
108290491342
113574847941
121734576066
13a21791ba3
145890c4130
15337c7bd2c
hex1ee26dbce

8290491342 has 32 divisors (see below), whose sum is σ = 18996989184. Its totient is φ = 2362800000.

The previous prime is 8290491329. The next prime is 8290491343. The reversal of 8290491342 is 2431940928.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 8290491294 and 8290491303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8290491343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 229284 + ... + 262967.

It is an arithmetic number, because the mean of its divisors is an integer number (593655912).

Almost surely, 28290491342 is an apocalyptic number.

8290491342 is an abundant number, since it is smaller than the sum of its proper divisors (10706497842).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8290491342 is a wasteful number, since it uses less digits than its factorization.

8290491342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 492664.

The product of its (nonzero) digits is 124416, while the sum is 42.

The square root of 8290491342 is about 91052.1352962137. The cubic root of 8290491342 is about 2023.9203789951.

The spelling of 8290491342 in words is "eight billion, two hundred ninety million, four hundred ninety-one thousand, three hundred forty-two".

Divisors: 1 2 3 6 7 14 21 42 401 802 1203 2406 2807 5614 8421 16842 492251 984502 1476753 2953506 3445757 6891514 10337271 20674542 197392651 394785302 592177953 1184355906 1381748557 2763497114 4145245671 8290491342