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121354486 = 21123239831
BaseRepresentation
bin1110011101110…
…11100011110110
322110100110001121
413032323203312
5222031320421
620013014154
73002332111
oct716734366
9273313047
10121354486
1162557470
123478435a
131c1ac5b6
141218d578
15a9c1d41
hex73bb8f6

121354486 has 16 divisors (see below), whose sum is σ = 207214848. Its totient is φ = 52762600.

The previous prime is 121354481. The next prime is 121354489. The reversal of 121354486 is 684453121.

It is a super-2 number, since 2×1213544862 = 29453822544648392, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121354481) 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, 119410 + ... + 120421.

It is an arithmetic number, because the mean of its divisors is an integer number (12950928).

Almost surely, 2121354486 is an apocalyptic number.

121354486 is a deficient number, since it is larger than the sum of its proper divisors (85860362).

121354486 is a wasteful number, since it uses less digits than its factorization.

121354486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239867.

The product of its digits is 23040, while the sum is 34.

The square root of 121354486 is about 11016.1012159475. The cubic root of 121354486 is about 495.0912813329.

The spelling of 121354486 in words is "one hundred twenty-one million, three hundred fifty-four thousand, four hundred eighty-six".

Divisors: 1 2 11 22 23 46 253 506 239831 479662 2638141 5276282 5516113 11032226 60677243 121354486