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11427402 = 2371571733
BaseRepresentation
bin101011100101…
…111001001010
3210111120110010
4223211321022
510411134102
61044532350
7166063020
oct53457112
923446403
1011427402
1164a5638
1239b10b6
1324a149c
141736710
15100ad6c
hexae5e4a

11427402 has 32 divisors (see below), whose sum is σ = 26301312. Its totient is φ = 3242304.

The previous prime is 11427401. The next prime is 11427419. The reversal of 11427402 is 20472411.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (11427401) 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, 5728 + ... + 7460.

It is an arithmetic number, because the mean of its divisors is an integer number (821916).

Almost surely, 211427402 is an apocalyptic number.

11427402 is an abundant number, since it is smaller than the sum of its proper divisors (14873910).

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

11427402 is a wasteful number, since it uses less digits than its factorization.

11427402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1902.

The product of its (nonzero) digits is 448, while the sum is 21.

The square root of 11427402 is about 3380.4440536711. Note that the first 3 decimals coincide. The cubic root of 11427402 is about 225.2418929390.

Adding to 11427402 its reverse (20472411), we get a palindrome (31899813).

The spelling of 11427402 in words is "eleven million, four hundred twenty-seven thousand, four hundred two".

Divisors: 1 2 3 6 7 14 21 42 157 314 471 942 1099 1733 2198 3297 3466 5199 6594 10398 12131 24262 36393 72786 272081 544162 816243 1632486 1904567 3809134 5713701 11427402