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53868451 = 7131015861
BaseRepresentation
bin1100110101111…
…1011110100011
310202100210121211
43031133132203
5102242242301
65202330551
71222605610
oct315373643
9122323554
1053868451
112845318a
1216059a57
13b211130
147223507
154ae1051
hex335f7a3

53868451 has 16 divisors (see below), whose sum is σ = 66967488. Its totient is φ = 42192000.

The previous prime is 53868443. The next prime is 53868473. The reversal of 53868451 is 15486835.

It is a cyclic number.

It is not a de Polignac number, because 53868451 - 23 = 53868443 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53868431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6261 + ... + 12121.

It is an arithmetic number, because the mean of its divisors is an integer number (4185468).

Almost surely, 253868451 is an apocalyptic number.

53868451 is a deficient number, since it is larger than the sum of its proper divisors (13099037).

53868451 is a wasteful number, since it uses less digits than its factorization.

53868451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5982.

The product of its digits is 115200, while the sum is 40.

The square root of 53868451 is about 7339.5129947429. The cubic root of 53868451 is about 377.6691369616.

The spelling of 53868451 in words is "fifty-three million, eight hundred sixty-eight thousand, four hundred fifty-one".

Divisors: 1 7 13 91 101 707 1313 5861 9191 41027 76193 533351 591961 4143727 7695493 53868451