Search a number
-
+
398049088 = 2619327343
BaseRepresentation
bin10111101110011…
…011111101000000
31000201222222200211
4113232123331000
51303400032323
6103255323504
712602234653
oct2756337500
91021888624
10398049088
11194763198
12b1380594
136460a608
143ac1789a
1524e2a70d
hex17b9bf40

398049088 has 28 divisors (see below), whose sum is σ = 831453760. Its totient is φ = 188548992.

The previous prime is 398049073. The next prime is 398049089. The reversal of 398049088 is 880940893.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (398049089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 162456 + ... + 164887.

Almost surely, 2398049088 is an apocalyptic number.

398049088 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

398049088 is an abundant number, since it is smaller than the sum of its proper divisors (433404672).

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

398049088 is a wasteful number, since it uses less digits than its factorization.

398049088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327374 (or 327364 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 49.

The square root of 398049088 is about 19951.1675848808. The cubic root of 398049088 is about 735.6064767747.

The spelling of 398049088 in words is "three hundred ninety-eight million, forty-nine thousand, eighty-eight".

Divisors: 1 2 4 8 16 19 32 38 64 76 152 304 608 1216 327343 654686 1309372 2618744 5237488 6219517 10474976 12439034 20949952 24878068 49756136 99512272 199024544 398049088