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84580970 = 25191992237
BaseRepresentation
bin1010000101010…
…01101001101010
312220011011021112
411002221221222
5133123042340
612220510322
72044632515
oct502515152
9186134245
1084580970
114381aa31
12243ab3a2
13146a5516
14b339d7c
15765b065
hex50a9a6a

84580970 has 32 divisors (see below), whose sum is σ = 161136000. Its totient is φ = 31876416.

The previous prime is 84580963. The next prime is 84580973. The reversal of 84580970 is 7908548.

It is a super-2 number, since 2×845809702 = 14307880972281800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (84580973) 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, 36692 + ... + 38928.

It is an arithmetic number, because the mean of its divisors is an integer number (5035500).

Almost surely, 284580970 is an apocalyptic number.

84580970 is a deficient number, since it is larger than the sum of its proper divisors (76555030).

84580970 is a wasteful number, since it uses less digits than its factorization.

84580970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2462.

The product of its (nonzero) digits is 80640, while the sum is 41.

The square root of 84580970 is about 9196.7912882701. The cubic root of 84580970 is about 438.9592654922.

The spelling of 84580970 in words is "eighty-four million, five hundred eighty thousand, nine hundred seventy".

Divisors: 1 2 5 10 19 38 95 190 199 398 995 1990 2237 3781 4474 7562 11185 18905 22370 37810 42503 85006 212515 425030 445163 890326 2225815 4451630 8458097 16916194 42290485 84580970