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51055426 = 22333312
BaseRepresentation
bin1100001011000…
…0101101000010
310120001212212201
43002300231002
5101032233201
65022143414
71156651432
oct302605502
9116055781
1051055426
1126901774
1215121b6a
13a767916
146ad02c2
154737801
hex30b0b42

51055426 has 12 divisors (see below), whose sum is σ = 77144886. Its totient is φ = 25341360.

The previous prime is 51055387. The next prime is 51055427. The reversal of 51055426 is 62455015.

It can be written as a sum of positive squares in only one way, i.e., 48316401 + 2739025 = 6951^2 + 1655^2 .

It is a junction number, because it is equal to n+sod(n) for n = 51055394 and 51055403.

It is not an unprimeable number, because it can be changed into a prime (51055427) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 154081 + ... + 154411.

Almost surely, 251055426 is an apocalyptic number.

51055426 is a deficient number, since it is larger than the sum of its proper divisors (26089460).

51055426 is an equidigital number, since it uses as much as digits as its factorization.

51055426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 897 (or 566 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 51055426 is about 7145.3079709695. The cubic root of 51055426 is about 370.9772703991.

The spelling of 51055426 in words is "fifty-one million, fifty-five thousand, four hundred twenty-six".

Divisors: 1 2 233 331 466 662 77123 109561 154246 219122 25527713 51055426