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83916970 = 258391697
BaseRepresentation
bin1010000000001…
…11100010101010
312211220102102221
411000013202222
5132440320340
612154344254
72036165614
oct500074252
9184812387
1083916970
1143407075
122412b08a
1314502217
14b205db4
15757944a
hex50078aa

83916970 has 8 divisors (see below), whose sum is σ = 151050564. Its totient is φ = 33566784.

The previous prime is 83916953. The next prime is 83916983. The reversal of 83916970 is 7961938.

It can be written as a sum of positive squares in 2 ways, for example, as 82682649 + 1234321 = 9093^2 + 1111^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4195839 + ... + 4195858.

Almost surely, 283916970 is an apocalyptic number.

83916970 is a deficient number, since it is larger than the sum of its proper divisors (67133594).

83916970 is a wasteful number, since it uses less digits than its factorization.

83916970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8391704.

The product of its (nonzero) digits is 81648, while the sum is 43.

The square root of 83916970 is about 9160.6206121638. The cubic root of 83916970 is about 437.8075682147.

The spelling of 83916970 in words is "eighty-three million, nine hundred sixteen thousand, nine hundred seventy".

Divisors: 1 2 5 10 8391697 16783394 41958485 83916970