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19425054 = 2311294319
BaseRepresentation
bin100101000011…
…0011100011110
31100112220011110
41022012130132
514433100204
61532202450
7324052545
oct112063436
940486143
1019425054
11aa68370
126609426
13404181c
14281915c
151a8a889
hex128671e

19425054 has 16 divisors (see below), whose sum is σ = 42382080. Its totient is φ = 5886360.

The previous prime is 19425047. The next prime is 19425059. The reversal of 19425054 is 45052491.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19425059) 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, 147094 + ... + 147225.

It is an arithmetic number, because the mean of its divisors is an integer number (2648880).

Almost surely, 219425054 is an apocalyptic number.

19425054 is an abundant number, since it is smaller than the sum of its proper divisors (22957026).

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

19425054 is a wasteful number, since it uses less digits than its factorization.

19425054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294335.

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 19425054 is about 4407.3863002918. The cubic root of 19425054 is about 268.8153586126.

It can be divided in two parts, 1942 and 5054, that added together give a palindrome (6996).

The spelling of 19425054 in words is "nineteen million, four hundred twenty-five thousand, fifty-four".

Divisors: 1 2 3 6 11 22 33 66 294319 588638 882957 1765914 3237509 6475018 9712527 19425054