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79052948 = 22131977717
BaseRepresentation
bin1001011011001…
…00000010010100
312111202022020222
410231210002110
5130214143243
611502213512
71646640032
oct455440224
9174668228
1079052948
1140694717
1222584298
13134bb2c0
14a6db552
156e18168
hex4b64094

79052948 has 24 divisors (see below), whose sum is σ = 149760072. Its totient is φ = 36296064.

The previous prime is 79052947. The next prime is 79052983. The reversal of 79052948 is 84925097.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 19114384 + 59938564 = 4372^2 + 7742^2 .

It is a junction number, because it is equal to n+sod(n) for n = 79052899 and 79052908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79052947) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6386 + ... + 14102.

It is an arithmetic number, because the mean of its divisors is an integer number (6240003).

Almost surely, 279052948 is an apocalyptic number.

It is an amenable number.

79052948 is a deficient number, since it is larger than the sum of its proper divisors (70707124).

79052948 is a wasteful number, since it uses less digits than its factorization.

79052948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7931 (or 7929 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 44.

The square root of 79052948 is about 8891.1724761136. The cubic root of 79052948 is about 429.1798826525.

The spelling of 79052948 in words is "seventy-nine million, fifty-two thousand, nine hundred forty-eight".

Divisors: 1 2 4 13 26 52 197 394 788 2561 5122 7717 10244 15434 30868 100321 200642 401284 1520249 3040498 6080996 19763237 39526474 79052948