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1830889025 = 52710462223
BaseRepresentation
bin110110100100001…
…0010011001000001
311201121010210120122
41231020102121001
512222201422100
6501402150025
763241204610
oct15510223101
94647123518
101830889025
1185a542029
124311b2315
132324168b4
14135237877
15aab0a985
hex6d212641

1830889025 has 12 divisors (see below), whose sum is σ = 2594631552. Its totient is φ = 1255466640.

The previous prime is 1830889013. The next prime is 1830889037. The reversal of 1830889025 is 5209880381.

It is an interprime number because it is at equal distance from previous prime (1830889013) and next prime (1830889037).

It is not a de Polignac number, because 1830889025 - 212 = 1830884929 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5230937 + ... + 5231286.

It is an arithmetic number, because the mean of its divisors is an integer number (216219296).

Almost surely, 21830889025 is an apocalyptic number.

It is an amenable number.

1830889025 is a deficient number, since it is larger than the sum of its proper divisors (763742527).

1830889025 is a wasteful number, since it uses less digits than its factorization.

1830889025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10462240 (or 10462235 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 44.

The square root of 1830889025 is about 42788.8890367581. The cubic root of 1830889025 is about 1223.3592416479.

The spelling of 1830889025 in words is "one billion, eight hundred thirty million, eight hundred eighty-nine thousand, twenty-five".

Divisors: 1 5 7 25 35 175 10462223 52311115 73235561 261555575 366177805 1830889025