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11385023 = 1322329101
BaseRepresentation
bin101011011011…
…100010111111
3210102102022112
4223123202333
510403310043
61044004235
7165525326
oct53334277
923372275
1011385023
116476811
12399067b
132488100
1417250bd
15eed518
hexadb8bf

11385023 has 24 divisors (see below), whose sum is σ = 13439520. Its totient is φ = 9609600.

The previous prime is 11385001. The next prime is 11385041. The reversal of 11385023 is 32058311.

It is not a de Polignac number, because 11385023 - 26 = 11384959 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11385023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11385083) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 112673 + ... + 112773.

It is an arithmetic number, because the mean of its divisors is an integer number (559980).

Almost surely, 211385023 is an apocalyptic number.

11385023 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11385023 is a deficient number, since it is larger than the sum of its proper divisors (2054497).

11385023 is a wasteful number, since it uses less digits than its factorization.

11385023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179 (or 166 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 11385023 is about 3374.1699720079. The cubic root of 11385023 is about 224.9631083548.

The spelling of 11385023 in words is "eleven million, three hundred eighty-five thousand, twenty-three".

Divisors: 1 13 23 29 101 169 299 377 667 1313 2323 2929 3887 4901 8671 17069 30199 38077 67367 112723 392587 495001 875771 11385023