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2989625625 = 3354725309
BaseRepresentation
bin1011001000110010…
…0001000100011001
321201100111201101000
42302030201010121
522110321010000
61212354015213
7134041253460
oct26214410431
97640451330
102989625625
1112a4624a88
126b5277509
133884c145c
142050a59d7
151276e5000
hexb2321119

2989625625 has 80 divisors (see below), whose sum is σ = 6325475200. Its totient is φ = 1366632000.

The previous prime is 2989625599. The next prime is 2989625669. The reversal of 2989625625 is 5265269892.

2989625625 is a `hidden beast` number, since 2 + 9 + 8 + 9 + 6 + 2 + 5 + 625 = 666.

It is not a de Polignac number, because 2989625625 - 27 = 2989625497 is a prime.

It is a super-2 number, since 2×29896256252 = 17875722755313281250, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 105471 + ... + 130779.

It is an arithmetic number, because the mean of its divisors is an integer number (79068440).

Almost surely, 22989625625 is an apocalyptic number.

2989625625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2989625625 is an abundant number, since it is smaller than the sum of its proper divisors (3335849575).

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

2989625625 is an equidigital number, since it uses as much as digits as its factorization.

2989625625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25345 (or 25324 counting only the distinct ones).

The product of its digits is 4665600, while the sum is 54.

The square root of 2989625625 is about 54677.4690800516. The cubic root of 2989625625 is about 1440.5851571491.

The spelling of 2989625625 in words is "two billion, nine hundred eighty-nine million, six hundred twenty-five thousand, six hundred twenty-five".

Divisors: 1 3 5 7 9 15 21 25 27 35 45 63 75 105 125 135 175 189 225 315 375 525 625 675 875 945 1125 1575 1875 2625 3375 4375 4725 5625 7875 13125 16875 23625 25309 39375 75927 118125 126545 177163 227781 379635 531489 632725 683343 885815 1138905 1594467 1898175 2657445 3163625 3416715 4429075 4783401 5694525 7972335 9490875 13287225 15818125 17083575 22145375 23917005 28472625 39861675 47454375 66436125 85417875 110726875 119585025 142363125 199308375 332180625 427089375 597925125 996541875 2989625625