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9772013 = 16359951
BaseRepresentation
bin100101010001…
…101111101101
3200101110200102
4211101233231
510000201023
6545240445
7146026556
oct45215755
920343612
109772013
115574949
123333125
132041b74
14142532d
15cd0628
hex951bed

9772013 has 4 divisors (see below), whose sum is σ = 9832128. Its totient is φ = 9711900.

The previous prime is 9771997. The next prime is 9772019. The reversal of 9772013 is 3102779.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 3102779 = 5358543.

It is a cyclic number.

It is not a de Polignac number, because 9772013 - 24 = 9771997 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 (9772019) 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, 29813 + ... + 30138.

It is an arithmetic number, because the mean of its divisors is an integer number (2458032).

Almost surely, 29772013 is an apocalyptic number.

It is an amenable number.

9772013 is a deficient number, since it is larger than the sum of its proper divisors (60115).

9772013 is a wasteful number, since it uses less digits than its factorization.

9772013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60114.

The product of its (nonzero) digits is 2646, while the sum is 29.

The square root of 9772013 is about 3126.0219129110. The cubic root of 9772013 is about 213.7935893685.

The spelling of 9772013 in words is "nine million, seven hundred seventy-two thousand, thirteen".

Divisors: 1 163 59951 9772013