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53800436 = 2213450109
BaseRepresentation
bin1100110100111…
…0110111110100
310202020100022202
43031032313310
5102233103221
65201044032
71222203404
oct315166764
9122210282
1053800436
1128407078
1216026618
13b1b91a1
147206804
154acad0b
hex334edf4

53800436 has 6 divisors (see below), whose sum is σ = 94150770. Its totient is φ = 26900216.

The previous prime is 53800433. The next prime is 53800441. The reversal of 53800436 is 63400835.

It can be written as a sum of positive squares in only one way, i.e., 51208336 + 2592100 = 7156^2 + 1610^2 .

It is a junction number, because it is equal to n+sod(n) for n = 53800399 and 53800408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53800433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6725051 + ... + 6725058.

It is an arithmetic number, because the mean of its divisors is an integer number (15691795).

Almost surely, 253800436 is an apocalyptic number.

It is an amenable number.

53800436 is a deficient number, since it is larger than the sum of its proper divisors (40350334).

53800436 is a wasteful number, since it uses less digits than its factorization.

53800436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13450113 (or 13450111 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 53800436 is about 7334.8780494293. The cubic root of 53800436 is about 377.5101200451.

The spelling of 53800436 in words is "fifty-three million, eight hundred thousand, four hundred thirty-six".

Divisors: 1 2 4 13450109 26900218 53800436