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54490450 = 2527223967
BaseRepresentation
bin1100111111011…
…1010101010010
310210112101211211
43033313111102
5102422143300
65223530334
71231106200
oct317672522
9123471754
1054490450
1128838533
12162b99aa
13b39b291
147346070
154bb54ba
hex33f7552

54490450 has 72 divisors (see below), whose sum is σ = 123152832. Its totient is φ = 17851680.

The previous prime is 54490439. The next prime is 54490459. The reversal of 54490450 is 5409445.

It is not an unprimeable number, because it can be changed into a prime (54490459) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 55867 + ... + 56833.

It is an arithmetic number, because the mean of its divisors is an integer number (1710456).

Almost surely, 254490450 is an apocalyptic number.

54490450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

54490450 is an abundant number, since it is smaller than the sum of its proper divisors (68662382).

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

54490450 is a wasteful number, since it uses less digits than its factorization.

54490450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1016 (or 1004 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 54490450 is about 7381.7646941636. The cubic root of 54490450 is about 379.1171796033.

Adding to 54490450 its reverse (5409445), we get a palindrome (59899895).

The spelling of 54490450 in words is "fifty-four million, four hundred ninety thousand, four hundred fifty".

Divisors: 1 2 5 7 10 14 23 25 35 46 49 50 70 98 115 161 175 230 245 322 350 490 575 805 967 1127 1150 1225 1610 1934 2254 2450 4025 4835 5635 6769 8050 9670 11270 13538 22241 24175 28175 33845 44482 47383 48350 56350 67690 94766 111205 155687 169225 222410 236915 311374 338450 473830 556025 778435 1089809 1112050 1184575 1556870 2179618 2369150 3892175 5449045 7784350 10898090 27245225 54490450