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2688894070 = 25268889407
BaseRepresentation
bin1010000001000101…
…0100010001110110
320221101121222020021
42200101110101312
521001324102240
61122452155354
7123430136212
oct24021242166
96841558207
102688894070
11115a8a0a05
12630608b5a
1333b0c86a5
141b7181942
1510b0de54a
hexa0454476

2688894070 has 8 divisors (see below), whose sum is σ = 4840009344. Its totient is φ = 1075557624.

The previous prime is 2688894067. The next prime is 2688894071. The reversal of 2688894070 is 704988862.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×26888940703 (a number of 29 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2688893999 and 2688894017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2688894071) 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, 134444694 + ... + 134444713.

It is an arithmetic number, because the mean of its divisors is an integer number (605001168).

Almost surely, 22688894070 is an apocalyptic number.

2688894070 is a deficient number, since it is larger than the sum of its proper divisors (2151115274).

2688894070 is a wasteful number, since it uses less digits than its factorization.

2688894070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268889414.

The product of its (nonzero) digits is 1548288, while the sum is 52.

The square root of 2688894070 is about 51854.5472451549. The cubic root of 2688894070 is about 1390.5647981648.

The spelling of 2688894070 in words is "two billion, six hundred eighty-eight million, eight hundred ninety-four thousand, seventy".

Divisors: 1 2 5 10 268889407 537778814 1344447035 2688894070