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53845044 = 22311407917
BaseRepresentation
bin1100110101100…
…1110000110100
310202022121111220
43031121300310
5102241020134
65202030340
71222450431
oct315316064
9122277456
1053845044
1128437640
12160483b0
13b203596
147218b88
154ad9149
hex3359c34

53845044 has 24 divisors (see below), whose sum is σ = 137060448. Its totient is φ = 16316640.

The previous prime is 53845009. The next prime is 53845049. The reversal of 53845044 is 44054835.

53845044 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 (33).

It is a junction number, because it is equal to n+sod(n) for n = 53844996 and 53845014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53845049) 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, 203827 + ... + 204090.

It is an arithmetic number, because the mean of its divisors is an integer number (5710852).

Almost surely, 253845044 is an apocalyptic number.

It is an amenable number.

53845044 is an abundant number, since it is smaller than the sum of its proper divisors (83215404).

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

53845044 is a wasteful number, since it uses less digits than its factorization.

53845044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407935 (or 407933 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 33.

The square root of 53845044 is about 7337.9182333956. The cubic root of 53845044 is about 377.6144272503.

Adding to 53845044 its reverse (44054835), we get a palindrome (97899879).

The spelling of 53845044 in words is "fifty-three million, eight hundred forty-five thousand, forty-four".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 132 407917 815834 1223751 1631668 2447502 4487087 4895004 8974174 13461261 17948348 26922522 53845044