Search a number
-
+
409193052 = 223191178531
BaseRepresentation
bin11000011000111…
…100101001011100
31001111222011100020
4120120330221130
51314223134202
6104334232140
713066040442
oct3030745134
91044864306
10409193052
1119aa84884
12b5055650
1366a0ca88
143c4b8b92
1525dcc5bc
hex1863ca5c

409193052 has 24 divisors (see below), whose sum is σ = 959788032. Its totient is φ = 135682800.

The previous prime is 409193051. The next prime is 409193089. The reversal of 409193052 is 250391904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (409193051) 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, 86974 + ... + 91557.

It is an arithmetic number, because the mean of its divisors is an integer number (39991168).

Almost surely, 2409193052 is an apocalyptic number.

It is an amenable number.

409193052 is an abundant number, since it is smaller than the sum of its proper divisors (550594980).

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

409193052 is a wasteful number, since it uses less digits than its factorization.

409193052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178729 (or 178727 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 33.

The square root of 409193052 is about 20228.5207565951. The cubic root of 409193052 is about 742.4081832752.

The spelling of 409193052 in words is "four hundred nine million, one hundred ninety-three thousand, fifty-two".

Divisors: 1 2 3 4 6 12 191 382 573 764 1146 2292 178531 357062 535593 714124 1071186 2142372 34099421 68198842 102298263 136397684 204596526 409193052