Search a number
-
+
398850044 = 22251601661
BaseRepresentation
bin10111110001011…
…111011111111100
31000210111200101212
4113301133133330
51304101200134
6103324423552
712612112055
oct2761373774
91023450355
10398850044
1119515aa3a
12b16a7bb8
136482b058
143ad8572c
1525037bce
hex17c5f7fc

398850044 has 24 divisors (see below), whose sum is σ = 702996336. Its totient is φ = 198000000.

The previous prime is 398850043. The next prime is 398850103. The reversal of 398850044 is 440058893.

It is a junction number, because it is equal to n+sod(n) for n = 398849983 and 398850010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (398850043) 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, 603074 + ... + 603734.

It is an arithmetic number, because the mean of its divisors is an integer number (29291514).

Almost surely, 2398850044 is an apocalyptic number.

It is an amenable number.

398850044 is a deficient number, since it is larger than the sum of its proper divisors (304146292).

398850044 is a wasteful number, since it uses less digits than its factorization.

398850044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1517 (or 1515 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 41.

The square root of 398850044 is about 19971.2304077641. The cubic root of 398850044 is about 736.0995429911.

The spelling of 398850044 in words is "three hundred ninety-eight million, eight hundred fifty thousand, forty-four".

Divisors: 1 2 4 251 502 601 661 1004 1202 1322 2404 2644 150851 165911 301702 331822 397261 603404 663644 794522 1589044 99712511 199425022 398850044