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383069397 = 3163783373
BaseRepresentation
bin10110110101010…
…010110011010101
3222200210221102110
4112311102303111
51241031210042
6102002301233
712331015254
oct2665226325
9880727373
10383069397
11187261787
12a8357819
13614942a9
1438c3879b
152396c09c
hex16d52cd5

383069397 has 8 divisors (see below), whose sum is σ = 513893344. Its totient is φ = 253812528.

The previous prime is 383069389. The next prime is 383069441. The reversal of 383069397 is 793960383.

It is a happy number.

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

It is not a de Polignac number, because 383069397 - 23 = 383069389 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 (383069377) 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, 391198 + ... + 392175.

It is an arithmetic number, because the mean of its divisors is an integer number (64236668).

Almost surely, 2383069397 is an apocalyptic number.

It is an amenable number.

383069397 is a deficient number, since it is larger than the sum of its proper divisors (130823947).

383069397 is a wasteful number, since it uses less digits than its factorization.

383069397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 783539.

The product of its (nonzero) digits is 734832, while the sum is 48.

The square root of 383069397 is about 19572.1587209996. The cubic root of 383069397 is about 726.2606031929.

The spelling of 383069397 in words is "three hundred eighty-three million, sixty-nine thousand, three hundred ninety-seven".

Divisors: 1 3 163 489 783373 2350119 127689799 383069397