Search a number
-
+
11890670 = 2511231317
BaseRepresentation
bin101101010110…
…111111101110
3211101002221012
4231112333232
511021000140
61102505222
7203032451
oct55267756
924332835
1011890670
116791700
123b95212
1326042cc
141817498
15109d265
hexb56fee

11890670 has 48 divisors (see below), whose sum is σ = 24361344. Its totient is φ = 4171200.

The previous prime is 11890657. The next prime is 11890673. The reversal of 11890670 is 7609811.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11890673) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 37352 + ... + 37668.

It is an arithmetic number, because the mean of its divisors is an integer number (507528).

Almost surely, 211890670 is an apocalyptic number.

11890670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11890670 is an abundant number, since it is smaller than the sum of its proper divisors (12470674).

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

11890670 is a wasteful number, since it uses less digits than its factorization.

11890670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377 (or 366 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 32.

The square root of 11890670 is about 3448.2850810222. The cubic root of 11890670 is about 228.2454394986.

The spelling of 11890670 in words is "eleven million, eight hundred ninety thousand, six hundred seventy".

Divisors: 1 2 5 10 11 22 31 55 62 110 121 155 242 310 317 341 605 634 682 1210 1585 1705 3170 3410 3487 3751 6974 7502 9827 17435 18755 19654 34870 37510 38357 49135 76714 98270 108097 191785 216194 383570 540485 1080970 1189067 2378134 5945335 11890670