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930685409 = 2367603949
BaseRepresentation
bin110111011110010…
…010000111100001
32101212020201100222
4313132102013201
53401223413114
6232203452425
732030460353
oct6736220741
92355221328
10930685409
114383907a5
1221b827115
1311aa7b634
148b8670d3
1556a8d98e
hex377921e1

930685409 has 8 divisors (see below), whose sum is σ = 985646400. Its totient is φ = 876932496.

The previous prime is 930685387. The next prime is 930685433. The reversal of 930685409 is 904586039.

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 930685409 - 228 = 662249953 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 930685409.

It is not an unprimeable number, because it can be changed into a prime (930685499) 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, 300434 + ... + 303515.

It is an arithmetic number, because the mean of its divisors is an integer number (123205800).

Almost surely, 2930685409 is an apocalyptic number.

It is an amenable number.

930685409 is a deficient number, since it is larger than the sum of its proper divisors (54960991).

930685409 is a wasteful number, since it uses less digits than its factorization.

930685409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 604039.

The product of its (nonzero) digits is 233280, while the sum is 44.

The square root of 930685409 is about 30507.1370174259. The cubic root of 930685409 is about 976.3397436685.

The spelling of 930685409 in words is "nine hundred thirty million, six hundred eighty-five thousand, four hundred nine".

Divisors: 1 23 67 1541 603949 13890827 40464583 930685409