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408080050 = 25271165943
BaseRepresentation
bin11000010100101…
…100111010110010
31001102212121120221
4120110230322302
51313432030200
6104254323254
713053423520
oct3024547262
91042777527
10408080050
1119a394644
12b47b952a
13667102b1
143c2a9310
1525c5c91a
hex1852ceb2

408080050 has 24 divisors (see below), whose sum is σ = 867462336. Its totient is φ = 139913040.

The previous prime is 408080047. The next prime is 408080059. The reversal of 408080050 is 50080804.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a junction number, because it is equal to n+sod(n) for n = 408079997 and 408080024.

It is not an unprimeable number, because it can be changed into a prime (408080059) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 582622 + ... + 583321.

It is an arithmetic number, because the mean of its divisors is an integer number (36144264).

Almost surely, 2408080050 is an apocalyptic number.

408080050 is an abundant number, since it is smaller than the sum of its proper divisors (459382286).

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

408080050 is a wasteful number, since it uses less digits than its factorization.

408080050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1165962 (or 1165957 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 25.

The square root of 408080050 is about 20200.9913123094. The cubic root of 408080050 is about 741.7344571850.

The spelling of 408080050 in words is "four hundred eight million, eighty thousand, fifty".

Divisors: 1 2 5 7 10 14 25 35 50 70 175 350 1165943 2331886 5829715 8161601 11659430 16323202 29148575 40808005 58297150 81616010 204040025 408080050