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42054972 = 22331113051
BaseRepresentation
bin1010000001101…
…1010100111100
32221010121120120
42200123110330
541231224342
64101214540
71020314151
oct240332474
987117516
1042054972
1121814583
1212101450
138935ccb
14582a228
153a5aaec
hex281b53c

42054972 has 24 divisors (see below), whose sum is σ = 101294592. Its totient is φ = 13566000.

The previous prime is 42054931. The next prime is 42054973. The reversal of 42054972 is 27945024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42054973) 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, 56154 + ... + 56897.

It is an arithmetic number, because the mean of its divisors is an integer number (4220608).

Almost surely, 242054972 is an apocalyptic number.

It is an amenable number.

42054972 is an abundant number, since it is smaller than the sum of its proper divisors (59239620).

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

42054972 is a wasteful number, since it uses less digits than its factorization.

42054972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113089 (or 113087 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 42054972 is about 6484.9804934171. The cubic root of 42054972 is about 347.7542524490.

Adding to 42054972 its reverse (27945024), we get a palindrome (69999996).

The spelling of 42054972 in words is "forty-two million, fifty-four thousand, nine hundred seventy-two".

Divisors: 1 2 3 4 6 12 31 62 93 124 186 372 113051 226102 339153 452204 678306 1356612 3504581 7009162 10513743 14018324 21027486 42054972