Search a number
-
+
121410438 = 2397208609
BaseRepresentation
bin1110011110010…
…01001110000110
322110110021210220
413033021032012
5222040113223
620014125210
73002654202
oct717111606
9273407726
10121410438
1162595506
12347b0806
131c1cbbc6
14121a5b02
15a9d36e3
hex73c9386

121410438 has 16 divisors (see below), whose sum is σ = 245325360. Its totient is φ = 40052736.

The previous prime is 121410427. The next prime is 121410463. The reversal of 121410438 is 834014121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103723 + ... + 104886.

It is an arithmetic number, because the mean of its divisors is an integer number (15332835).

Almost surely, 2121410438 is an apocalyptic number.

121410438 is an abundant number, since it is smaller than the sum of its proper divisors (123914922).

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

121410438 is a wasteful number, since it uses less digits than its factorization.

121410438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208711.

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 121410438 is about 11018.6404787524. The cubic root of 121410438 is about 495.1673589796.

Adding to 121410438 its reverse (834014121), we get a palindrome (955424559).

The spelling of 121410438 in words is "one hundred twenty-one million, four hundred ten thousand, four hundred thirty-eight".

Divisors: 1 2 3 6 97 194 291 582 208609 417218 625827 1251654 20235073 40470146 60705219 121410438