Base | Representation |
---|---|
bin | 1100111010010… |
… | …0100011101101 |
3 | 10202220011202121 |
4 | 3032210203231 |
5 | 102330321110 |
6 | 5212352541 |
7 | 1225164550 |
oct | 316444355 |
9 | 122804677 |
10 | 54151405 |
11 | 28626830 |
12 | 16175751 |
13 | b2acb69 |
14 | 7298697 |
15 | 4b49cda |
hex | 33a48ed |
54151405 has 32 divisors (see below), whose sum is σ = 82925568. Its totient is φ = 32961600.
The previous prime is 54151393. The next prime is 54151411. The reversal of 54151405 is 50415145.
It is a happy number.
It is not a de Polignac number, because 54151405 - 25 = 54151373 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 54151405.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14920 + ... + 18190.
It is an arithmetic number, because the mean of its divisors is an integer number (2591424).
Almost surely, 254151405 is an apocalyptic number.
54151405 is a gapful number since it is divisible by the number (55) formed by its first and last digit.
It is an amenable number.
54151405 is a deficient number, since it is larger than the sum of its proper divisors (28774163).
54151405 is a wasteful number, since it uses less digits than its factorization.
54151405 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3337.
The product of its (nonzero) digits is 2000, while the sum is 25.
The square root of 54151405 is about 7358.7638228170. The cubic root of 54151405 is about 378.3292415263.
It can be divided in two parts, 5415140 and 5, that added together give a palindrome (5415145).
The spelling of 54151405 in words is "fifty-four million, one hundred fifty-one thousand, four hundred five".
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