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42553044 = 223210711047
BaseRepresentation
bin1010001001010…
…0111011010100
32222001220210200
42202110323110
541343144134
64120020500
71024460232
oct242247324
988056720
1042553044
1122024806
1212301730
138a7b921
145919952
153b08499
hex2894ed4

42553044 has 36 divisors (see below), whose sum is σ = 108579744. Its totient is φ = 14050512.

The previous prime is 42553037. The next prime is 42553073. The reversal of 42553044 is 44035524.

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 42552999 and 42553017.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1672 + ... + 9375.

It is an arithmetic number, because the mean of its divisors is an integer number (3016104).

Almost surely, 242553044 is an apocalyptic number.

It is an amenable number.

42553044 is an abundant number, since it is smaller than the sum of its proper divisors (66026700).

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

42553044 is a wasteful number, since it uses less digits than its factorization.

42553044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11164 (or 11159 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The square root of 42553044 is about 6523.2694256791. The cubic root of 42553044 is about 349.1217272005.

Adding to 42553044 its reverse (44035524), we get a palindrome (86588568).

The spelling of 42553044 in words is "forty-two million, five hundred fifty-three thousand, forty-four".

Divisors: 1 2 3 4 6 9 12 18 36 107 214 321 428 642 963 1284 1926 3852 11047 22094 33141 44188 66282 99423 132564 198846 397692 1182029 2364058 3546087 4728116 7092174 10638261 14184348 21276522 42553044