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84001230 = 23253972351
BaseRepresentation
bin1010000000111…
…00000111001110
312212001201000200
411000130013032
5133001014410
612200234330
72036666355
oct500340716
9185051020
1084001230
1143464405
122416b9a6
1314531691
14b22899c
1575943c0
hex501c1ce

84001230 has 48 divisors (see below), whose sum is σ = 219046464. Its totient is φ = 22334400.

The previous prime is 84001219. The next prime is 84001241. The reversal of 84001230 is 3210048.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (84001219) and next prime (84001241).

It is a Harshad number since it is a multiple of its sum of digits (18).

84001230 is a modest number, since divided by 1230 gives 840 as remainder.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34555 + ... + 36905.

It is an arithmetic number, because the mean of its divisors is an integer number (4563468).

Almost surely, 284001230 is an apocalyptic number.

84001230 is an abundant number, since it is smaller than the sum of its proper divisors (135045234).

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

84001230 is a wasteful number, since it uses less digits than its factorization.

84001230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2761 (or 2758 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 84001230 is about 9165.2184916673. The cubic root of 84001230 is about 437.9540516008.

Adding to 84001230 its reverse (3210048), we get a palindrome (87211278).

The spelling of 84001230 in words is "eighty-four million, one thousand, two hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 397 794 1191 1985 2351 2382 3573 3970 4702 5955 7053 7146 11755 11910 14106 17865 21159 23510 35265 35730 42318 70530 105795 211590 933347 1866694 2800041 4666735 5600082 8400123 9333470 14000205 16800246 28000410 42000615 84001230