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83144946 = 2316578363
BaseRepresentation
bin1001111010010…
…11000011110010
312210110012102110
410331023003302
5132241114241
612130030150
72026502043
oct475130362
9183405373
1083144946
1142a2a035
1223a18356
13142c19c1
14b0848ca
157475816
hex4f4b0f2

83144946 has 16 divisors (see below), whose sum is σ = 166410144. Its totient is φ = 27694944.

The previous prime is 83144939. The next prime is 83144947. The reversal of 83144946 is 64944138.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (83144947) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5761 + ... + 14123.

It is an arithmetic number, because the mean of its divisors is an integer number (10400634).

Almost surely, 283144946 is an apocalyptic number.

83144946 is an abundant number, since it is smaller than the sum of its proper divisors (83265198).

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

83144946 is a wasteful number, since it uses less digits than its factorization.

83144946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10025.

The product of its digits is 82944, while the sum is 39.

The square root of 83144946 is about 9118.3850543833. The cubic root of 83144946 is about 436.4608410423.

The spelling of 83144946 in words is "eighty-three million, one hundred forty-four thousand, nine hundred forty-six".

Divisors: 1 2 3 6 1657 3314 4971 8363 9942 16726 25089 50178 13857491 27714982 41572473 83144946