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2087434676 = 22697774797
BaseRepresentation
bin111110001101011…
…1011100110110100
312101110212200001102
41330122323212310
513233340402201
6543044545232
7102504621245
oct17432734664
95343780042
102087434676
11981336628
124a30b2218
1327360b762
1415b338ccc
15c33d426b
hex7c6bb9b4

2087434676 has 12 divisors (see below), whose sum is σ = 3653583108. Its totient is φ = 1043553792.

The previous prime is 2087434589. The next prime is 2087434697. The reversal of 2087434676 is 6764347802.

It can be written as a sum of positive squares in 2 ways, for example, as 214622500 + 1872812176 = 14650^2 + 43276^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2087434676.

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 3 ways as a sum of consecutive naturals, for example, 9491 + ... + 65306.

It is an arithmetic number, because the mean of its divisors is an integer number (304465259).

Almost surely, 22087434676 is an apocalyptic number.

It is an amenable number.

2087434676 is a deficient number, since it is larger than the sum of its proper divisors (1566148432).

2087434676 is a wasteful number, since it uses less digits than its factorization.

2087434676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81778 (or 81776 counting only the distinct ones).

The product of its (nonzero) digits is 1354752, while the sum is 47.

The square root of 2087434676 is about 45688.4523266000. The cubic root of 2087434676 is about 1278.0199439646.

The spelling of 2087434676 in words is "two billion, eighty-seven million, four hundred thirty-four thousand, six hundred seventy-six".

Divisors: 1 2 4 6977 13954 27908 74797 149594 299188 521858669 1043717338 2087434676