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408080049 = 31359672647
BaseRepresentation
bin11000010100101…
…100111010110001
31001102212121120220
4120110230322301
51313432030144
6104254323253
713053423516
oct3024547261
91042777526
10408080049
1119a394643
12b47b9529
13667102b0
143c2a930d
1525c5c919
hex1852ceb1

408080049 has 32 divisors (see below), whose sum is σ = 605015040. Its totient is φ = 243093312.

The previous prime is 408080047. The next prime is 408080059. The reversal of 408080049 is 940080804.

It is not a de Polignac number, because 408080049 - 21 = 408080047 is a prime.

It is not an unprimeable number, because it can be changed into a prime (408080047) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 152844 + ... + 155490.

It is an arithmetic number, because the mean of its divisors is an integer number (18906720).

Almost surely, 2408080049 is an apocalyptic number.

It is an amenable number.

408080049 is a deficient number, since it is larger than the sum of its proper divisors (196934991).

408080049 is a wasteful number, since it uses less digits than its factorization.

408080049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2789.

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 408080049 is about 20200.9912875581. The cubic root of 408080049 is about 741.7344565791.

The spelling of 408080049 in words is "four hundred eight million, eighty thousand, forty-nine".

Divisors: 1 3 13 39 59 67 177 201 767 871 2301 2613 2647 3953 7941 11859 34411 51389 103233 154167 156173 177349 468519 532047 2030249 2305537 6090747 6916611 10463591 31390773 136026683 408080049