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83702742 = 23139100363
BaseRepresentation
bin1001111110100…
…11001111010110
312211111112120120
410333103033112
5132411441432
612150012410
72034314214
oct477231726
9184445516
1083702742
1143280122
1224047106
1314458866
14b18bcb4
157535c2c
hex4fd33d6

83702742 has 16 divisors (see below), whose sum is σ = 168611520. Its totient is φ = 27699912.

The previous prime is 83702719. The next prime is 83702743. The reversal of 83702742 is 24720738.

It is a super-2 number, since 2×837027422 = 14012298036637128, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83702743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49348 + ... + 51015.

It is an arithmetic number, because the mean of its divisors is an integer number (10538220).

Almost surely, 283702742 is an apocalyptic number.

83702742 is an abundant number, since it is smaller than the sum of its proper divisors (84908778).

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

83702742 is a wasteful number, since it uses less digits than its factorization.

83702742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100507.

The product of its (nonzero) digits is 18816, while the sum is 33.

The square root of 83702742 is about 9148.9202641623. The cubic root of 83702742 is about 437.4346974097.

The spelling of 83702742 in words is "eighty-three million, seven hundred two thousand, seven hundred forty-two".

Divisors: 1 2 3 6 139 278 417 834 100363 200726 301089 602178 13950457 27900914 41851371 83702742