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51895098 = 2322883061
BaseRepresentation
bin1100010111110…
…1101100111010
310121122112200200
43011331230322
5101241120343
65052143030
71200046443
oct305755472
9117575620
1051895098
1127325612
1215467a76
13a99cb78
146c6c2ca
1548514d3
hex317db3a

51895098 has 12 divisors (see below), whose sum is σ = 112439418. Its totient is φ = 17298360.

The previous prime is 51895093. The next prime is 51895141. The reversal of 51895098 is 89059815.

It can be written as a sum of positive squares in only one way, i.e., 42732369 + 9162729 = 6537^2 + 3027^2 .

It is not an unprimeable number, because it can be changed into a prime (51895093) 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, 1441513 + ... + 1441548.

Almost surely, 251895098 is an apocalyptic number.

51895098 is an abundant number, since it is smaller than the sum of its proper divisors (60544320).

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

51895098 is a wasteful number, since it uses less digits than its factorization.

51895098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2883069 (or 2883066 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 45.

The square root of 51895098 is about 7203.8252338601. The cubic root of 51895098 is about 372.9999544787. Note that the first 4 decimals are identical.

The spelling of 51895098 in words is "fifty-one million, eight hundred ninety-five thousand, ninety-eight".

Divisors: 1 2 3 6 9 18 2883061 5766122 8649183 17298366 25947549 51895098