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84970901 = 234190107
BaseRepresentation
bin1010001000010…
…00110110010101
312220212222011102
411010020312111
5133223032101
612233115445
72051145401
oct504106625
9186788142
1084970901
1143a66994
1224558b85
13147b0b52
14b3dc101
1576d686b
hex5108d95

84970901 has 8 divisors (see below), whose sum is σ = 90828864. Its totient is φ = 79293280.

The previous prime is 84970891. The next prime is 84970927. The reversal of 84970901 is 10907948.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 84970901 - 226 = 17862037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84970601) 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 7 ways as a sum of consecutive naturals, for example, 44111 + ... + 45996.

It is an arithmetic number, because the mean of its divisors is an integer number (11353608).

Almost surely, 284970901 is an apocalyptic number.

It is an amenable number.

84970901 is a deficient number, since it is larger than the sum of its proper divisors (5857963).

84970901 is a wasteful number, since it uses less digits than its factorization.

84970901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90171.

The product of its (nonzero) digits is 18144, while the sum is 38.

The square root of 84970901 is about 9217.9662073583. The cubic root of 84970901 is about 439.6327876278.

The spelling of 84970901 in words is "eighty-four million, nine hundred seventy thousand, nine hundred one".

Divisors: 1 23 41 943 90107 2072461 3694387 84970901