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54253212 = 22313457761
BaseRepresentation
bin1100111011110…
…1011010011100
310210002100102020
43032331122130
5102342100322
65214500140
71226100426
oct316753234
9123070366
1054253212
1128696272
1216204650
13b3172c0
1472c3816
154b6a05c
hex33bd69c

54253212 has 48 divisors (see below), whose sum is σ = 136806432. Its totient is φ = 16634880.

The previous prime is 54253201. The next prime is 54253247. The reversal of 54253212 is 21235245.

It is a super-2 number, since 2×542532122 = 5886822024633888, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70912 + ... + 71672.

It is an arithmetic number, because the mean of its divisors is an integer number (2850134).

Almost surely, 254253212 is an apocalyptic number.

54253212 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

54253212 is an abundant number, since it is smaller than the sum of its proper divisors (82553220).

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

54253212 is a wasteful number, since it uses less digits than its factorization.

54253212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1238 (or 1236 counting only the distinct ones).

The product of its digits is 2400, while the sum is 24.

The square root of 54253212 is about 7365.6779728685. The cubic root of 54253212 is about 378.5661849178.

Adding to 54253212 its reverse (21235245), we get a palindrome (75488457).

The spelling of 54253212 in words is "fifty-four million, two hundred fifty-three thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 156 457 761 914 1371 1522 1828 2283 2742 3044 4566 5484 5941 9132 9893 11882 17823 19786 23764 29679 35646 39572 59358 71292 118716 347777 695554 1043331 1391108 2086662 4173324 4521101 9042202 13563303 18084404 27126606 54253212