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83343290 = 2541919891
BaseRepresentation
bin1001111011110…
…11011110111010
312210211021111112
410331323132322
5132313441130
612134200322
72031256232
oct475733672
9183737445
1083343290
1143055058
1223ab30a2
1314361074
14b0d6cc2
1574b4495
hex4f7b7ba

83343290 has 16 divisors (see below), whose sum is σ = 150383520. Its totient is φ = 33256080.

The previous prime is 83343289. The next prime is 83343307. The reversal of 83343290 is 9234338.

It is a happy number.

It is a super-2 number, since 2×833432902 = 13892207976048200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5756 + ... + 14135.

It is an arithmetic number, because the mean of its divisors is an integer number (9398970).

Almost surely, 283343290 is an apocalyptic number.

83343290 is a deficient number, since it is larger than the sum of its proper divisors (67040230).

83343290 is a wasteful number, since it uses less digits than its factorization.

83343290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20317.

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 83343290 is about 9129.2546245573. The cubic root of 83343290 is about 436.8076275744.

The spelling of 83343290 in words is "eighty-three million, three hundred forty-three thousand, two hundred ninety".

Divisors: 1 2 5 10 419 838 2095 4190 19891 39782 99455 198910 8334329 16668658 41671645 83343290