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614490020 = 225191617079
BaseRepresentation
bin100100101000000…
…101111110100100
31120211021022211122
4210220011332210
52224302140040
6140550353112
721141036044
oct4450057644
91524238748
10614490020
112959554a1
1215195b798
139a400081
145b879724
1538e311b5
hex24a05fa4

614490020 has 24 divisors (see below), whose sum is σ = 1358347200. Its totient is φ = 232859232.

The previous prime is 614490013. The next prime is 614490047. The reversal of 614490020 is 20094416.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 808160 + ... + 808919.

It is an arithmetic number, because the mean of its divisors is an integer number (56597800).

Almost surely, 2614490020 is an apocalyptic number.

It is an amenable number.

614490020 is an abundant number, since it is smaller than the sum of its proper divisors (743857180).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

614490020 is a wasteful number, since it uses less digits than its factorization.

614490020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1617107 (or 1617105 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 614490020 is about 24788.9092135979. The cubic root of 614490020 is about 850.1683726433.

The spelling of 614490020 in words is "six hundred fourteen million, four hundred ninety thousand, twenty".

Divisors: 1 2 4 5 10 19 20 38 76 95 190 380 1617079 3234158 6468316 8085395 16170790 30724501 32341580 61449002 122898004 153622505 307245010 614490020