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2086554772 = 221730684629
BaseRepresentation
bin111110001011110…
…0100110010010100
312101102012222001101
41330113210302110
513233124223042
6543014035444
7102464265031
oct17427446224
95342188041
102086554772
11980895535
124a2948b84
132733910c3
1415b18a388
15c32ad6b7
hex7c5e4c94

2086554772 has 12 divisors (see below), whose sum is σ = 3866263380. Its totient is φ = 981908096.

The previous prime is 2086554763. The next prime is 2086554793. The reversal of 2086554772 is 2774556802.

It can be written as a sum of positive squares in 2 ways, for example, as 1890162576 + 196392196 = 43476^2 + 14014^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15342247 + ... + 15342382.

It is an arithmetic number, because the mean of its divisors is an integer number (322188615).

Almost surely, 22086554772 is an apocalyptic number.

It is an amenable number.

2086554772 is a deficient number, since it is larger than the sum of its proper divisors (1779708608).

2086554772 is a wasteful number, since it uses less digits than its factorization.

2086554772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30684650 (or 30684648 counting only the distinct ones).

The product of its (nonzero) digits is 940800, while the sum is 46.

The square root of 2086554772 is about 45678.8219200102. The cubic root of 2086554772 is about 1277.8403466632.

The spelling of 2086554772 in words is "two billion, eighty-six million, five hundred fifty-four thousand, seven hundred seventy-two".

Divisors: 1 2 4 17 34 68 30684629 61369258 122738516 521638693 1043277386 2086554772