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51126246 = 2322997943
BaseRepresentation
bin1100001100000…
…1111111100110
310120012111000200
43003001333212
5101042014441
65023451330
71160365053
oct303017746
9116174020
1051126246
112694a9a6
1215156b46
13a790c22
146b0c02a
15474d7b6
hex30c1fe6

51126246 has 24 divisors (see below), whose sum is σ = 114594480. Its totient is φ = 16454256.

The previous prime is 51126241. The next prime is 51126277. The reversal of 51126246 is 64262115.

It is a super-2 number, since 2×511262462 = 5227786060105032, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51126241) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48450 + ... + 49493.

It is an arithmetic number, because the mean of its divisors is an integer number (4774770).

Almost surely, 251126246 is an apocalyptic number.

51126246 is an abundant number, since it is smaller than the sum of its proper divisors (63468234).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51126246 is a wasteful number, since it uses less digits than its factorization.

51126246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97980 (or 97977 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 51126246 is about 7150.2619532434. The cubic root of 51126246 is about 371.1487211403.

The spelling of 51126246 in words is "fifty-one million, one hundred twenty-six thousand, two hundred forty-six".

Divisors: 1 2 3 6 9 18 29 58 87 174 261 522 97943 195886 293829 587658 881487 1762974 2840347 5680694 8521041 17042082 25563123 51126246