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949212949 = 2932731481
BaseRepresentation
bin111000100100111…
…101011100010101
32110011010000101011
4320210331130111
53420444303244
6234104532221
732344114456
oct7044753425
92404100334
10949212949
11447895813
12225a81071
13121867789
14900cb12d
15584ed434
hex3893d715

949212949 has 4 divisors (see below), whose sum is σ = 981944460. Its totient is φ = 916481440.

The previous prime is 949212947. The next prime is 949212959.

It is a happy number.

949212949 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 186459025 + 762753924 = 13655^2 + 27618^2 .

It is a cyclic number.

It is not a de Polignac number, because 949212949 - 21 = 949212947 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (949212947) 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, 16365712 + ... + 16365769.

It is an arithmetic number, because the mean of its divisors is an integer number (245486115).

Almost surely, 2949212949 is an apocalyptic number.

It is an amenable number.

949212949 is a deficient number, since it is larger than the sum of its proper divisors (32731511).

949212949 is a wasteful number, since it uses less digits than its factorization.

949212949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32731510.

The product of its digits is 419904, while the sum is 49.

The square root of 949212949 is about 30809.2997161571. The cubic root of 949212949 is about 982.7760207935.

The spelling of 949212949 in words is "nine hundred forty-nine million, two hundred twelve thousand, nine hundred forty-nine".

Divisors: 1 29 32731481 949212949