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44140780 = 2252207039
BaseRepresentation
bin1010100001100…
…0100011101100
310002001120202201
42220120203230
542300001110
64214031244
71044122215
oct250304354
9102046681
1044140780
1122a09692
1212948524
1391b6508
145c1040c
153d1db3a
hex2a188ec

44140780 has 12 divisors (see below), whose sum is σ = 92695680. Its totient is φ = 17656304.

The previous prime is 44140763. The next prime is 44140793. The reversal of 44140780 is 8704144.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1103500 + ... + 1103539.

It is an arithmetic number, because the mean of its divisors is an integer number (7724640).

Almost surely, 244140780 is an apocalyptic number.

It is an amenable number.

44140780 is an abundant number, since it is smaller than the sum of its proper divisors (48554900).

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

44140780 is a wasteful number, since it uses less digits than its factorization.

44140780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2207048 (or 2207046 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 28.

The square root of 44140780 is about 6643.8527978877. The cubic root of 44140780 is about 353.4109496828.

The spelling of 44140780 in words is "forty-four million, one hundred forty thousand, seven hundred eighty".

Divisors: 1 2 4 5 10 20 2207039 4414078 8828156 11035195 22070390 44140780