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61312322 = 2295212029
BaseRepresentation
bin1110100111100…
…0110101000010
311021100222200202
43221320311002
5111143443242
610030045202
71343101061
oct351706502
9137328622
1061312322
1131677945
1218649802
13c9193a6
1482001d8
1555b1932
hex3a78d42

61312322 has 16 divisors (see below), whose sum is σ = 95369400. Its totient is φ = 29527680.

The previous prime is 61312313. The next prime is 61312357. The reversal of 61312322 is 22321316.

It is a happy number.

61312322 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 60078001 + 1234321 = 7751^2 + 1111^2 .

It is a junction number, because it is equal to n+sod(n) for n = 61312294 and 61312303.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29204 + ... + 31232.

Almost surely, 261312322 is an apocalyptic number.

61312322 is a deficient number, since it is larger than the sum of its proper divisors (34057078).

61312322 is a wasteful number, since it uses less digits than its factorization.

61312322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2581.

The product of its digits is 432, while the sum is 20.

The square root of 61312322 is about 7830.2185154694. The cubic root of 61312322 is about 394.3204081128.

Adding to 61312322 its reverse (22321316), we get a palindrome (83633638).

The spelling of 61312322 in words is "sixty-one million, three hundred twelve thousand, three hundred twenty-two".

Divisors: 1 2 29 58 521 1042 2029 4058 15109 30218 58841 117682 1057109 2114218 30656161 61312322