Search a number
-
+
11398770 = 2325126653
BaseRepresentation
bin101011011110…
…111001110010
3210110010011200
4223132321302
510404230040
61044152030
7165613365
oct53367162
923403150
1011398770
116486079
123998616
132491446
14172a0dc
151002630
hexadee72

11398770 has 24 divisors (see below), whose sum is σ = 29637036. Its totient is φ = 3039648.

The previous prime is 11398757. The next prime is 11398771. The reversal of 11398770 is 7789311.

It can be written as a sum of positive squares in 2 ways, for example, as 10517049 + 881721 = 3243^2 + 939^2 .

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (11398771) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 63237 + ... + 63416.

Almost surely, 211398770 is an apocalyptic number.

11398770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11398770 is an abundant number, since it is smaller than the sum of its proper divisors (18238266).

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

11398770 is a wasteful number, since it uses less digits than its factorization.

11398770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126666 (or 126663 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 36.

The square root of 11398770 is about 3376.2064510335. The cubic root of 11398770 is about 225.0536168519.

The spelling of 11398770 in words is "eleven million, three hundred ninety-eight thousand, seven hundred seventy".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 126653 253306 379959 633265 759918 1139877 1266530 1899795 2279754 3799590 5699385 11398770