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418680969 = 3743374597
BaseRepresentation
bin11000111101001…
…001000010001001
31002011211012022120
4120331021002021
51324140242334
6105313441453
713242505140
oct3075110211
91064735276
10418680969
111a5375233
12b8270289
1368982525
143d868757
1526b53949
hex18f49089

418680969 has 16 divisors (see below), whose sum is σ = 638275968. Its totient is φ = 239139072.

The previous prime is 418680953. The next prime is 418680989. The reversal of 418680969 is 969086814.

It is a happy number.

It is not a de Polignac number, because 418680969 - 24 = 418680953 is a prime.

It is a super-2 number, since 2×4186809692 = 350587507605557922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (418680919) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88779 + ... + 93375.

It is an arithmetic number, because the mean of its divisors is an integer number (39892248).

Almost surely, 2418680969 is an apocalyptic number.

It is an amenable number.

418680969 is a deficient number, since it is larger than the sum of its proper divisors (219594999).

418680969 is a wasteful number, since it uses less digits than its factorization.

418680969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8944.

The product of its (nonzero) digits is 746496, while the sum is 51.

The square root of 418680969 is about 20461.6951643797. The cubic root of 418680969 is about 748.1024439793.

The spelling of 418680969 in words is "four hundred eighteen million, six hundred eighty thousand, nine hundred sixty-nine".