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54572250 = 235372763
BaseRepresentation
bin1101000000101…
…1010011011010
310210200120001110
43100023103122
5102432303000
65225401150
71231566525
oct320132332
9123616043
1054572250
1128893a37
12163391b6
13b3c9595
147367bbc
154bce850
hex340b4da

54572250 has 32 divisors (see below), whose sum is σ = 136214208. Its totient is φ = 14552400.

The previous prime is 54572249. The next prime is 54572257. The reversal of 54572250 is 5227545.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (54572257) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35632 + ... + 37131.

It is an arithmetic number, because the mean of its divisors is an integer number (4256694).

Almost surely, 254572250 is an apocalyptic number.

54572250 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

54572250 is an abundant number, since it is smaller than the sum of its proper divisors (81641958).

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

54572250 is a wasteful number, since it uses less digits than its factorization.

54572250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72783 (or 72773 counting only the distinct ones).

The product of its (nonzero) digits is 14000, while the sum is 30.

The square root of 54572250 is about 7387.3032968736. The cubic root of 54572250 is about 379.3067925240.

Adding to 54572250 its reverse (5227545), we get a palindrome (59799795).

The spelling of 54572250 in words is "fifty-four million, five hundred seventy-two thousand, two hundred fifty".

Divisors: 1 2 3 5 6 10 15 25 30 50 75 125 150 250 375 750 72763 145526 218289 363815 436578 727630 1091445 1819075 2182890 3638150 5457225 9095375 10914450 18190750 27286125 54572250