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1825069397 = 19913676709
BaseRepresentation
bin110110011001000…
…0101100101010101
311201012012010112212
41230302011211111
512214204210042
6501033323205
763140556014
oct15462054525
94635163485
101825069397
11857227718
1242b266505
13231159a28
14134560a7b
15aa35b482
hex6cc85955

1825069397 has 8 divisors (see below), whose sum is σ = 1835856000. Its totient is φ = 1814299344.

The previous prime is 1825069381. The next prime is 1825069399. The reversal of 1825069397 is 7939605281.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1825069397 - 24 = 1825069381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1825069399) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 268679 + ... + 275387.

It is an arithmetic number, because the mean of its divisors is an integer number (229482000).

Almost surely, 21825069397 is an apocalyptic number.

It is an amenable number.

1825069397 is a deficient number, since it is larger than the sum of its proper divisors (10786603).

1825069397 is a wasteful number, since it uses less digits than its factorization.

1825069397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8275.

The product of its (nonzero) digits is 816480, while the sum is 50.

The square root of 1825069397 is about 42720.8309493156. The cubic root of 1825069397 is about 1222.0616839688.

The spelling of 1825069397 in words is "one billion, eight hundred twenty-five million, sixty-nine thousand, three hundred ninety-seven".

Divisors: 1 199 1367 6709 272033 1335091 9171203 1825069397