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121485434 = 2717539631
BaseRepresentation
bin1110011110110…
…11100001111010
322110121002200112
413033123201322
5222100013214
620015504322
73003415640
oct717334172
9273532615
10121485434
1162636894
12348280a2
131c227095
14121c5190
15a9eaa3e
hex73db87a

121485434 has 32 divisors (see below), whose sum is σ = 224695296. Its totient is φ = 48072960.

The previous prime is 121485407. The next prime is 121485443. The reversal of 121485434 is 434584121.

It is a self number, because there is not a number n which added to its sum of digits gives 121485434.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 7799 + ... + 17429.

It is an arithmetic number, because the mean of its divisors is an integer number (7021728).

Almost surely, 2121485434 is an apocalyptic number.

121485434 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

121485434 is a deficient number, since it is larger than the sum of its proper divisors (103209862).

121485434 is a wasteful number, since it uses less digits than its factorization.

121485434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9710.

The product of its digits is 15360, while the sum is 32.

The square root of 121485434 is about 11022.0430955427. The cubic root of 121485434 is about 495.2692940032.

The spelling of 121485434 in words is "one hundred twenty-one million, four hundred eighty-five thousand, four hundred thirty-four".

Divisors: 1 2 7 14 17 34 53 106 119 238 371 742 901 1802 6307 9631 12614 19262 67417 134834 163727 327454 510443 1020886 1146089 2292178 3573101 7146202 8677531 17355062 60742717 121485434