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53142202 = 21913910061
BaseRepresentation
bin1100101010111…
…0001010111010
310200222220101201
43022232022322
5102101022302
65135004414
71213462351
oct312561272
9120886351
1053142202
1127aa7583
121596970a
13b0186b9
1470b4998
1549eac87
hex32ae2ba

53142202 has 16 divisors (see below), whose sum is σ = 84520800. Its totient is φ = 24989040.

The previous prime is 53142169. The next prime is 53142209. The reversal of 53142202 is 20224135.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 53142202.

It is not an unprimeable number, because it can be changed into a prime (53142209) 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, 252 + ... + 10312.

It is an arithmetic number, because the mean of its divisors is an integer number (5282550).

Almost surely, 253142202 is an apocalyptic number.

53142202 is a deficient number, since it is larger than the sum of its proper divisors (31378598).

53142202 is a wasteful number, since it uses less digits than its factorization.

53142202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10221.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 53142202 is about 7289.8698205112. The cubic root of 53142202 is about 375.9642196600.

Adding to 53142202 its reverse (20224135), we get a palindrome (73366337).

The spelling of 53142202 in words is "fifty-three million, one hundred forty-two thousand, two hundred two".

Divisors: 1 2 19 38 139 278 2641 5282 10061 20122 191159 382318 1398479 2796958 26571101 53142202