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84831130 = 25232711361
BaseRepresentation
bin1010000111001…
…10101110011010
312220121212102201
411003212232122
5133204044010
612230120414
72050024036
oct503465632
9186555381
1084831130
114398097a
12244b010a
1314762347
14b3a31c6
1576aa23a
hex50e6b9a

84831130 has 32 divisors (see below), whose sum is σ = 160040448. Its totient is φ = 32313600.

The previous prime is 84831101. The next prime is 84831137. The reversal of 84831130 is 3113848.

It is not an unprimeable number, because it can be changed into a prime (84831137) 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, 61650 + ... + 63010.

It is an arithmetic number, because the mean of its divisors is an integer number (5001264).

Almost surely, 284831130 is an apocalyptic number.

84831130 is a deficient number, since it is larger than the sum of its proper divisors (75209318).

84831130 is a wasteful number, since it uses less digits than its factorization.

84831130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1662.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 84831130 is about 9210.3816424728. The cubic root of 84831130 is about 439.3916005982.

Adding to 84831130 its reverse (3113848), we get a palindrome (87944978).

The spelling of 84831130 in words is "eighty-four million, eight hundred thirty-one thousand, one hundred thirty".

Divisors: 1 2 5 10 23 46 115 230 271 542 1355 1361 2710 2722 6233 6805 12466 13610 31165 31303 62330 62606 156515 313030 368831 737662 1844155 3688310 8483113 16966226 42415565 84831130