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423115 = 57211157
BaseRepresentation
bin1100111010011001011
3210111101221
41213103023
5102014430
613022511
73411400
oct1472313
9714357
10423115
11269990
12184a37
1311a784
14b02a7
158557a
hex674cb

423115 has 24 divisors (see below), whose sum is σ = 648432. Its totient is φ = 262080.

The previous prime is 423109. The next prime is 423121. The reversal of 423115 is 511324.

It is an interprime number because it is at equal distance from previous prime (423109) and next prime (423121).

It is not a de Polignac number, because 423115 - 25 = 423083 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2617 + ... + 2773.

It is an arithmetic number, because the mean of its divisors is an integer number (27018).

2423115 is an apocalyptic number.

423115 is a deficient number, since it is larger than the sum of its proper divisors (225317).

423115 is a wasteful number, since it uses less digits than its factorization.

423115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187 (or 180 counting only the distinct ones).

The product of its digits is 120, while the sum is 16.

The square root of 423115 is about 650.4729048930. The cubic root of 423115 is about 75.0734096051.

Adding to 423115 its reverse (511324), we get a palindrome (934439).

Subtracting 423115 from its reverse (511324), we obtain a square (88209 = 2972).

The spelling of 423115 in words is "four hundred twenty-three thousand, one hundred fifteen".

Divisors: 1 5 7 11 35 49 55 77 157 245 385 539 785 1099 1727 2695 5495 7693 8635 12089 38465 60445 84623 423115