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83743434 = 2326769439
BaseRepresentation
bin1001111110111…
…01001011001010
312211120121101200
410333131023022
5132414242214
612150525030
72034543645
oct477351312
9184517350
1083743434
11432a8755
1224066776
1314471238
14b19ca5c
157542d09
hex4fdd2ca

83743434 has 24 divisors (see below), whose sum is σ = 184154880. Its totient is φ = 27497448.

The previous prime is 83743433. The next prime is 83743447. The reversal of 83743434 is 43434738.

It is a happy number.

It is a super-2 number, since 2×837434342 = 14025925476224712, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (83743433) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33514 + ... + 35925.

It is an arithmetic number, because the mean of its divisors is an integer number (7673120).

Almost surely, 283743434 is an apocalyptic number.

83743434 is an abundant number, since it is smaller than the sum of its proper divisors (100411446).

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

83743434 is a wasteful number, since it uses less digits than its factorization.

83743434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69514 (or 69511 counting only the distinct ones).

The product of its digits is 96768, while the sum is 36.

The square root of 83743434 is about 9151.1438629277. The cubic root of 83743434 is about 437.5055720651.

The spelling of 83743434 in words is "eighty-three million, seven hundred forty-three thousand, four hundred thirty-four".

Divisors: 1 2 3 6 9 18 67 134 201 402 603 1206 69439 138878 208317 416634 624951 1249902 4652413 9304826 13957239 27914478 41871717 83743434