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1078680225 = 35272054629
BaseRepresentation
bin100000001001011…
…0101101010100001
32210011201122002110
41000102311222201
54202120231400
6255011505533
735505426210
oct10022655241
92704648073
101078680225
11503983467
122612b82a9
1314262792c
14a338d077
1564a73e50
hex404b5aa1

1078680225 has 24 divisors (see below), whose sum is σ = 2038192960. Its totient is φ = 493110720.

The previous prime is 1078680199. The next prime is 1078680271. The reversal of 1078680225 is 5220868701.

It is not a de Polignac number, because 1078680225 - 215 = 1078647457 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1026790 + ... + 1027839.

Almost surely, 21078680225 is an apocalyptic number.

1078680225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1078680225 is a deficient number, since it is larger than the sum of its proper divisors (959512735).

1078680225 is a wasteful number, since it uses less digits than its factorization.

1078680225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2054649 (or 2054644 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 39.

The square root of 1078680225 is about 32843.2675749536. The cubic root of 1078680225 is about 1025.5674747832.

The spelling of 1078680225 in words is "one billion, seventy-eight million, six hundred eighty thousand, two hundred twenty-five".

Divisors: 1 3 5 7 15 21 25 35 75 105 175 525 2054629 6163887 10273145 14382403 30819435 43147209 51365725 71912015 154097175 215736045 359560075 1078680225