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53290790 = 257761297
BaseRepresentation
bin1100101101001…
…0011100100110
310201021110012222
43023102130212
5102120301130
65142112342
71214651510
oct313223446
9121243188
1053290790
1128099183
1215a1b6b2
13b06b217
147112bb0
154a29ce5
hex32d2726

53290790 has 16 divisors (see below), whose sum is σ = 109626912. Its totient is φ = 18271104.

The previous prime is 53290789. The next prime is 53290799. The reversal of 53290790 is 9709235.

53290790 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 53290790.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53290799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 380579 + ... + 380718.

It is an arithmetic number, because the mean of its divisors is an integer number (6851682).

Almost surely, 253290790 is an apocalyptic number.

53290790 is an abundant number, since it is smaller than the sum of its proper divisors (56336122).

53290790 is a wasteful number, since it uses less digits than its factorization.

53290790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 761311.

The product of its (nonzero) digits is 17010, while the sum is 35.

The square root of 53290790 is about 7300.0541093885. The cubic root of 53290790 is about 376.3142979043.

The spelling of 53290790 in words is "fifty-three million, two hundred ninety thousand, seven hundred ninety".

Divisors: 1 2 5 7 10 14 35 70 761297 1522594 3806485 5329079 7612970 10658158 26645395 53290790