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4048623 = 3516661
BaseRepresentation
bin1111011100011011101111
321121200200000
433130123233
52014023443
6222435343
746261365
oct17343357
97550600
104048623
112315877
121432b53
13ab9a47
14775635
1554e8d3
hex3dc6ef

4048623 has 12 divisors (see below), whose sum is σ = 6064968. Its totient is φ = 2698920.

The previous prime is 4048619. The next prime is 4048637. The reversal of 4048623 is 3268404.

It is not a de Polignac number, because 4048623 - 22 = 4048619 is a prime.

It is a super-2 number, since 2×40486232 = 32782696392258, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

4048623 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4048613) 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, 8088 + ... + 8573.

It is an arithmetic number, because the mean of its divisors is an integer number (505414).

Almost surely, 24048623 is an apocalyptic number.

4048623 is a deficient number, since it is larger than the sum of its proper divisors (2016345).

4048623 is an equidigital number, since it uses as much as digits as its factorization.

4048623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16676 (or 16664 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 4048623 is about 2012.1190322642. The cubic root of 4048623 is about 159.3807181339.

The spelling of 4048623 in words is "four million, forty-eight thousand, six hundred twenty-three".

Divisors: 1 3 9 27 81 243 16661 49983 149949 449847 1349541 4048623