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2689952090 = 25738427887
BaseRepresentation
bin1010000001010101…
…0110100101011010
320221110121201120012
42200111112211122
521002111431330
61122531001522
7123442133630
oct24025264532
96843551505
102689952090
111160453901
12630a392a2
1333b3a9137
141b7379350
1510b24cc95
hexa055695a

2689952090 has 16 divisors (see below), whose sum is σ = 5533615872. Its totient is φ = 922269264.

The previous prime is 2689952087. The next prime is 2689952093. The reversal of 2689952090 is 902599862.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2689952087) and next prime (2689952093).

It is a zygodrome in base 4.

It is not an unprimeable number, because it can be changed into a prime (2689952093) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19213874 + ... + 19214013.

It is an arithmetic number, because the mean of its divisors is an integer number (345850992).

Almost surely, 22689952090 is an apocalyptic number.

2689952090 is an abundant number, since it is smaller than the sum of its proper divisors (2843663782).

2689952090 is a wasteful number, since it uses less digits than its factorization.

2689952090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38427901.

The product of its (nonzero) digits is 699840, while the sum is 50.

The square root of 2689952090 is about 51864.7480472045. The cubic root of 2689952090 is about 1390.7471596864.

The spelling of 2689952090 in words is "two billion, six hundred eighty-nine million, nine hundred fifty-two thousand, ninety".

Divisors: 1 2 5 7 10 14 35 70 38427887 76855774 192139435 268995209 384278870 537990418 1344976045 2689952090