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44378680 = 2351958393
BaseRepresentation
bin1010100101001…
…0101000111000
310002111200002211
42221102220320
542330104210
64223104504
71046132623
oct251225070
9102450084
1044378680
11230613a5
1212a42134
13926a898
145c72dba
153d6938a
hex2a52a38

44378680 has 32 divisors (see below), whose sum is σ = 105109200. Its totient is φ = 16816896.

The previous prime is 44378627. The next prime is 44378681. The reversal of 44378680 is 8687344.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44378681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28437 + ... + 29956.

Almost surely, 244378680 is an apocalyptic number.

44378680 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

44378680 is an abundant number, since it is smaller than the sum of its proper divisors (60730520).

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

44378680 is a wasteful number, since it uses less digits than its factorization.

44378680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58423 (or 58419 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 40.

The square root of 44378680 is about 6661.7325073887. The cubic root of 44378680 is about 354.0447239397.

The spelling of 44378680 in words is "forty-four million, three hundred seventy-eight thousand, six hundred eighty".

Divisors: 1 2 4 5 8 10 19 20 38 40 76 95 152 190 380 760 58393 116786 233572 291965 467144 583930 1109467 1167860 2218934 2335720 4437868 5547335 8875736 11094670 22189340 44378680