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124000144 = 2497109733
BaseRepresentation
bin1110110010000…
…01011110010000
322122022212012221
413121001132100
5223221001034
620145430424
73033661312
oct731013620
9278285187
10124000144
1163aa4164
123563b414
131c8c7888
141267b7b2
15ad45bb4
hex7641790

124000144 has 40 divisors (see below), whose sum is σ = 245288120. Its totient is φ = 60715008.

The previous prime is 124000139. The next prime is 124000189. The reversal of 124000144 is 441000421.

It can be written as a sum of positive squares in 4 ways, for example, as 62220544 + 61779600 = 7888^2 + 7860^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 168802 + ... + 169534.

It is an arithmetic number, because the mean of its divisors is an integer number (6132203).

Almost surely, 2124000144 is an apocalyptic number.

It is an amenable number.

124000144 is a deficient number, since it is larger than the sum of its proper divisors (121287976).

124000144 is a wasteful number, since it uses less digits than its factorization.

124000144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 947 (or 941 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 124000144 is about 11135.5351914490. The cubic root of 124000144 is about 498.6632882547.

Adding to 124000144 its reverse (441000421), we get a palindrome (565000565).

The spelling of 124000144 in words is "one hundred twenty-four million, one hundred forty-four", and thus it is an aban number.

Divisors: 1 2 4 8 16 97 109 194 218 388 436 733 776 872 1466 1552 1744 2932 5864 10573 11728 21146 42292 71101 79897 84584 142202 159794 169168 284404 319588 568808 639176 1137616 1278352 7750009 15500018 31000036 62000072 124000144