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84966949 = 791075531
BaseRepresentation
bin1010001000001…
…11111000100101
312220212202202001
411010013320211
5133222420244
612233045301
72051131024
oct504077045
9186782661
1084966949
1143a63a21
1224556831
13147ac102
14b3da8bb
1576d55d4
hex5107e25

84966949 has 4 divisors (see below), whose sum is σ = 86042560. Its totient is φ = 83891340.

The previous prime is 84966943. The next prime is 84966967. The reversal of 84966949 is 94966948.

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 84966949 - 23 = 84966941 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 84966949.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84966941) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 537687 + ... + 537844.

It is an arithmetic number, because the mean of its divisors is an integer number (21510640).

Almost surely, 284966949 is an apocalyptic number.

It is an amenable number.

84966949 is a deficient number, since it is larger than the sum of its proper divisors (1075611).

84966949 is a wasteful number, since it uses less digits than its factorization.

84966949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1075610.

The product of its digits is 3359232, while the sum is 55.

The square root of 84966949 is about 9217.7518408775. The cubic root of 84966949 is about 439.6259717426.

Subtracting 84966949 from its reverse (94966948), we obtain a palindrome (9999999).

The spelling of 84966949 in words is "eighty-four million, nine hundred sixty-six thousand, nine hundred forty-nine".

Divisors: 1 79 1075531 84966949