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2902300129 = 17231692
BaseRepresentation
bin1010110011111101…
…1001010111100001
321111021012010022101
42230333121113201
521420442101004
61155554210401
7131631100261
oct25477312741
97437163271
102902300129
11125a300053
1268bb83a01
13373397971
141d76537a1
1511ebe5ba4
hexacfd95e1

2902300129 has 9 divisors (see below), whose sum is σ = 3084039417. Its totient is φ = 2730714624.

The previous prime is 2902300127. The next prime is 2902300187. The reversal of 2902300129 is 9210032092.

The square root of 2902300129 is 53873.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 1066349025 + 1835951104 = 32655^2 + 42848^2 .

It is not a de Polignac number, because 2902300129 - 21 = 2902300127 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2902300097 and 2902300106.

It is not an unprimeable number, because it can be changed into a prime (2902300127) by changing a digit.

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 8 ways as a sum of consecutive naturals, for example, 914257 + ... + 917425.

Almost surely, 22902300129 is an apocalyptic number.

2902300129 is the 53873-rd square number.

2902300129 is the 26937-th centered octagonal number.

It is an amenable number.

2902300129 is a deficient number, since it is larger than the sum of its proper divisors (181739288).

2902300129 is an frugal number, since it uses more digits than its factorization.

2902300129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6372 (or 3186 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 28.

The cubic root of 2902300129 is about 1426.4200685657.

It can be divided in two parts, 2902 and 300129, that added together give a triangular number (303031 = T778).

The spelling of 2902300129 in words is "two billion, nine hundred two million, three hundred thousand, one hundred twenty-nine".

Divisors: 1 17 289 3169 53873 915841 10042561 170723537 2902300129