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84074901 = 328024967
BaseRepresentation
bin1010000001011…
…10000110010101
312212012110002020
411000232012111
5133010344101
612202003353
72040424221
oct500560625
9185173066
1084074901
1143504799
12241a6559
1314559081
14b247781
1575ab136
hex502e195

84074901 has 4 divisors (see below), whose sum is σ = 112099872. Its totient is φ = 56049932.

The previous prime is 84074899. The next prime is 84074951. The reversal of 84074901 is 10947048.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 84074901 - 21 = 84074899 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84074951) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 14012481 + ... + 14012486.

It is an arithmetic number, because the mean of its divisors is an integer number (28024968).

Almost surely, 284074901 is an apocalyptic number.

It is an amenable number.

84074901 is a deficient number, since it is larger than the sum of its proper divisors (28024971).

84074901 is a wasteful number, since it uses less digits than its factorization.

84074901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28024970.

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 84074901 is about 9169.2366639759. The cubic root of 84074901 is about 438.0820460968.

The spelling of 84074901 in words is "eighty-four million, seventy-four thousand, nine hundred one".

Divisors: 1 3 28024967 84074901