Search a number
-
+
54097431 = 328363719
BaseRepresentation
bin1100111001011…
…1011000010111
310202210102201120
43032113120113
5102322104211
65211255023
71224551313
oct316273027
9122712646
1054097431
112859a223
121614a473
13b29141b
147282b43
154b38d06
hex3397617

54097431 has 8 divisors (see below), whose sum is σ = 72385920. Its totient is φ = 35936952.

The previous prime is 54097429. The next prime is 54097447. The reversal of 54097431 is 13479045.

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

It is not a de Polignac number, because 54097431 - 21 = 54097429 is a prime.

It is a super-2 number, since 2×540974312 = 5853064081599522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 54097392 and 54097401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54097481) 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, 31011 + ... + 32708.

It is an arithmetic number, because the mean of its divisors is an integer number (9048240).

Almost surely, 254097431 is an apocalyptic number.

54097431 is a deficient number, since it is larger than the sum of its proper divisors (18288489).

54097431 is a wasteful number, since it uses less digits than its factorization.

54097431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64005.

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 54097431 is about 7355.0955806162. The cubic root of 54097431 is about 378.2035031415.

The spelling of 54097431 in words is "fifty-four million, ninety-seven thousand, four hundred thirty-one".

Divisors: 1 3 283 849 63719 191157 18032477 54097431