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53940715 = 5191813137
BaseRepresentation
bin1100110111000…
…1000111101011
310202111110202021
43031301013223
5102302100330
65204045311
71223326363
oct315610753
9122443667
1053940715
11284a2504
1216093837
13b237caa
1472419a3
154b0767a
hex33711eb

53940715 has 16 divisors (see below), whose sum is σ = 68533920. Its totient is φ = 40642560.

The previous prime is 53940703. The next prime is 53940739. The reversal of 53940715 is 51704935.

It is not a de Polignac number, because 53940715 - 25 = 53940683 is a prime.

It is a super-2 number, since 2×539407152 = 5819201469422450, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15627 + ... + 18763.

It is an arithmetic number, because the mean of its divisors is an integer number (4283370).

Almost surely, 253940715 is an apocalyptic number.

53940715 is a deficient number, since it is larger than the sum of its proper divisors (14593205).

53940715 is a wasteful number, since it uses less digits than its factorization.

53940715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3342.

The product of its (nonzero) digits is 18900, while the sum is 34.

The square root of 53940715 is about 7344.4342872681. The cubic root of 53940715 is about 377.8379413184.

The spelling of 53940715 in words is "fifty-three million, nine hundred forty thousand, seven hundred fifteen".

Divisors: 1 5 19 95 181 905 3137 3439 15685 17195 59603 298015 567797 2838985 10788143 53940715