Search a number
-
+
208411044 = 223131233569
BaseRepresentation
bin11000110110000…
…01100110100100
3112112011101012120
430123001212210
5411323123134
632402545540
75110315242
oct1433014644
9475141176
10208411044
11a7708336
12599682b0
133424085a
141d971792
151346b649
hexc6c19a4

208411044 has 48 divisors (see below), whose sum is σ = 492972480. Its totient is φ = 68523520.

The previous prime is 208411031. The next prime is 208411051. The reversal of 208411044 is 440114802.

It is a super-2 number, since 2×2084110442 = 86870326522339872, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 365992 + ... + 366560.

It is an arithmetic number, because the mean of its divisors is an integer number (10270260).

Almost surely, 2208411044 is an apocalyptic number.

It is an amenable number.

208411044 is an abundant number, since it is smaller than the sum of its proper divisors (284561436).

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

208411044 is a wasteful number, since it uses less digits than its factorization.

208411044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 940 (or 938 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 24.

The square root of 208411044 is about 14436.4484552122. The cubic root of 208411044 is about 592.8892505321.

Adding to 208411044 its reverse (440114802), we get a palindrome (648525846).

The spelling of 208411044 in words is "two hundred eight million, four hundred eleven thousand, forty-four".

Divisors: 1 2 3 4 6 12 131 233 262 393 466 524 569 699 786 932 1138 1398 1572 1707 2276 2796 3414 6828 30523 61046 74539 91569 122092 132577 149078 183138 223617 265154 298156 366276 397731 447234 530308 795462 894468 1590924 17367587 34735174 52102761 69470348 104205522 208411044