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2087004520 = 23552175113
BaseRepresentation
bin111110001100101…
…0010100101101000
312101110001210222201
41330121102211220
513233233121040
6543031425544
7102501150166
oct17431224550
95343053881
102087004520
11981072427
124a2b252b4
132734baa23
1415b266236
15c334ba9a
hex7c652968

2087004520 has 16 divisors (see below), whose sum is σ = 4695760260. Its totient is φ = 834801792.

The previous prime is 2087004503. The next prime is 2087004523. The reversal of 2087004520 is 254007802.

It can be written as a sum of positive squares in 2 ways, for example, as 1759466916 + 327537604 = 41946^2 + 18098^2 .

It is not an unprimeable number, because it can be changed into a prime (2087004523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26087517 + ... + 26087596.

Almost surely, 22087004520 is an apocalyptic number.

2087004520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2087004520 is an abundant number, since it is smaller than the sum of its proper divisors (2608755740).

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

2087004520 is a wasteful number, since it uses less digits than its factorization.

2087004520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52175124 (or 52175120 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 28.

The square root of 2087004520 is about 45683.7445925791. The cubic root of 2087004520 is about 1277.9321510835.

The spelling of 2087004520 in words is "two billion, eighty-seven million, four thousand, five hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 52175113 104350226 208700452 260875565 417400904 521751130 1043502260 2087004520