Search a number
-
+
11897054 = 2133783149
BaseRepresentation
bin101101011000…
…100011011110
3211101102200122
4231120203132
511021201204
61102554542
7203060201
oct55304336
924342618
1011897054
116796484
123b98a52
1326071a0
141819938
1510a00be
hexb588de

11897054 has 32 divisors (see below), whose sum is σ = 20109600. Its totient is φ = 5242752.

The previous prime is 11897051. The next prime is 11897057. The reversal of 11897054 is 45079811.

It is an interprime number because it is at equal distance from previous prime (11897051) and next prime (11897057).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11897051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79772 + ... + 79920.

It is an arithmetic number, because the mean of its divisors is an integer number (628425).

Almost surely, 211897054 is an apocalyptic number.

11897054 is a deficient number, since it is larger than the sum of its proper divisors (8212546).

11897054 is a wasteful number, since it uses less digits than its factorization.

11897054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284.

The product of its (nonzero) digits is 10080, while the sum is 35.

The square root of 11897054 is about 3449.2106343336. The cubic root of 11897054 is about 228.2862798715.

The spelling of 11897054 in words is "eleven million, eight hundred ninety-seven thousand, fifty-four".

Divisors: 1 2 13 26 37 74 83 149 166 298 481 962 1079 1937 2158 3071 3874 5513 6142 11026 12367 24734 39923 71669 79846 143338 160771 321542 457579 915158 5948527 11897054