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54134021 = 197140129
BaseRepresentation
bin1100111010000…
…0010100000101
310202212021220202
43032200110011
5102324242041
65212140245
71225063064
oct316402405
9122767822
1054134021
1128614767
1216167685
13b2a4c86
1472921db
154b44a9b
hex33a0505

54134021 has 8 divisors (see below), whose sum is σ = 57787200. Its totient is φ = 50561280.

The previous prime is 54133999. The next prime is 54134027. The reversal of 54134021 is 12043145.

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

It is not a de Polignac number, because 54134021 - 26 = 54133957 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 54133984 and 54134002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54134027) 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, 18716 + ... + 21413.

It is an arithmetic number, because the mean of its divisors is an integer number (7223400).

Almost surely, 254134021 is an apocalyptic number.

It is an amenable number.

54134021 is a deficient number, since it is larger than the sum of its proper divisors (3653179).

54134021 is a wasteful number, since it uses less digits than its factorization.

54134021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40219.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 54134021 is about 7357.5825513548. The cubic root of 54134021 is about 378.2887527065.

Adding to 54134021 its reverse (12043145), we get a palindrome (66177166).

The spelling of 54134021 in words is "fifty-four million, one hundred thirty-four thousand, twenty-one".

Divisors: 1 19 71 1349 40129 762451 2849159 54134021