Search a number
-
+
898131620 = 225392311447
BaseRepresentation
bin110101100010000…
…110011010100100
32022120222210222002
4311202012122210
53314410202440
6225042024432
731153664351
oct6542063244
92276883862
10898131620
11420a76641
12210948118
131140c1139
14873d1628
1553cad115
hex358866a4

898131620 has 24 divisors (see below), whose sum is σ = 1886721984. Its totient is φ = 359129696.

The previous prime is 898131617. The next prime is 898131667. The reversal of 898131620 is 26131898.

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, 72737 + ... + 84183.

It is an arithmetic number, because the mean of its divisors is an integer number (78613416).

Almost surely, 2898131620 is an apocalyptic number.

It is an amenable number.

898131620 is an abundant number, since it is smaller than the sum of its proper divisors (988590364).

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

898131620 is a wasteful number, since it uses less digits than its factorization.

898131620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15379 (or 15377 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 38.

The square root of 898131620 is about 29968.8441552223. The cubic root of 898131620 is about 964.8208102411.

The spelling of 898131620 in words is "eight hundred ninety-eight million, one hundred thirty-one thousand, six hundred twenty".

Divisors: 1 2 4 5 10 20 3923 7846 11447 15692 19615 22894 39230 45788 57235 78460 114470 228940 44906581 89813162 179626324 224532905 449065810 898131620