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2056640750 = 253193113967
BaseRepresentation
bin111101010010101…
…1101100011101110
312022022221011201122
41322211131203232
513203000001000
6540024540542
7101652105113
oct17245354356
95268834648
102056640750
11965a136aa
12494921752
1326a1192b8
1415720090a
15c0850085
hex7a95d8ee

2056640750 has 64 divisors (see below), whose sum is σ = 4183695360. Its totient is φ = 754164000.

The previous prime is 2056640723. The next prime is 2056640771. The reversal of 2056640750 is 570466502.

It is a self number, because there is not a number n which added to its sum of digits gives 2056640750.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 140267 + ... + 154233.

It is an arithmetic number, because the mean of its divisors is an integer number (65370240).

Almost surely, 22056640750 is an apocalyptic number.

2056640750 is an abundant number, since it is smaller than the sum of its proper divisors (2127054610).

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

2056640750 is a wasteful number, since it uses less digits than its factorization.

2056640750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14034 (or 14024 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 35.

The square root of 2056640750 is about 45350.2012123430. The cubic root of 2056640750 is about 1271.7043168945.

It can be divided in two parts, 20566 and 40750, that added together give a palindrome (61316).

The spelling of 2056640750 in words is "two billion, fifty-six million, six hundred forty thousand, seven hundred fifty".

Divisors: 1 2 5 10 19 25 31 38 50 62 95 125 155 190 250 310 475 589 775 950 1178 1550 2375 2945 3875 4750 5890 7750 13967 14725 27934 29450 69835 73625 139670 147250 265373 349175 432977 530746 698350 865954 1326865 1745875 2164885 2653730 3491750 4329770 6634325 8226563 10824425 13268650 16453126 21648850 33171625 41132815 54122125 66343250 82265630 108244250 205664075 411328150 1028320375 2056640750