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53422044 = 22313342449
BaseRepresentation
bin1100101111001…
…0011111011100
310201112010021020
43023302133130
5102134001134
65145004140
71216036254
oct313623734
9121463236
1053422044
1128178855
1215a83650
13b0b5ba0
147148964
154a53b49
hex32f27dc

53422044 has 24 divisors (see below), whose sum is σ = 134240400. Its totient is φ = 16437504.

The previous prime is 53422027. The next prime is 53422049. The reversal of 53422044 is 44022435.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53422049) 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, 171069 + ... + 171380.

It is an arithmetic number, because the mean of its divisors is an integer number (5593350).

Almost surely, 253422044 is an apocalyptic number.

It is an amenable number.

53422044 is an abundant number, since it is smaller than the sum of its proper divisors (80818356).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53422044 is a wasteful number, since it uses less digits than its factorization.

53422044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342469 (or 342467 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 24.

The square root of 53422044 is about 7309.0385140592. The cubic root of 53422044 is about 376.6229957810.

Adding to 53422044 its reverse (44022435), we get a palindrome (97444479).

It can be divided in two parts, 534 and 22044, that added together give a triangular number (22578 = T212).

The spelling of 53422044 in words is "fifty-three million, four hundred twenty-two thousand, forty-four".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 156 342449 684898 1027347 1369796 2054694 4109388 4451837 8903674 13355511 17807348 26711022 53422044