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53406123 = 3116315307
BaseRepresentation
bin1100101110111…
…0100110101011
310201111022102120
43023232212223
5102132443443
65144402323
71215641661
oct313564653
9121438376
1053406123
11281678a1
1215a763a3
13b0ab874
147142c31
154a4e083
hex32ee9ab

53406123 has 8 divisors (see below), whose sum is σ = 71274048. Its totient is φ = 35571144.

The previous prime is 53406121. The next prime is 53406137. The reversal of 53406123 is 32160435.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 53406123 - 21 = 53406121 is a prime.

It is a super-2 number, since 2×534061232 = 5704427947782258, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 53406093 and 53406102.

It is not an unprimeable number, because it can be changed into a prime (53406121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4165 + ... + 11142.

It is an arithmetic number, because the mean of its divisors is an integer number (8909256).

Almost surely, 253406123 is an apocalyptic number.

53406123 is a deficient number, since it is larger than the sum of its proper divisors (17867925).

53406123 is a wasteful number, since it uses less digits than its factorization.

53406123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16473.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 53406123 is about 7307.9493019588. The cubic root of 53406123 is about 376.5855779535.

Adding to 53406123 its reverse (32160435), we get a palindrome (85566558).

The spelling of 53406123 in words is "fifty-three million, four hundred six thousand, one hundred twenty-three".

Divisors: 1 3 1163 3489 15307 45921 17802041 53406123