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1451229025 = 521924012
BaseRepresentation
bin101011001111111…
…1111111101100001
310202010202001222011
41112133333331201
510433003312100
6400000512521
750651146261
oct12637777541
93663661864
101451229025
116851a9934
1234601b741
131a18773cc
14daa497a1
1587613bba
hex567fff61

1451229025 has 27 divisors (see below), whose sum is σ = 1903968633. Its totient is φ = 1097136000.

The previous prime is 1451229001. The next prime is 1451229037. The reversal of 1451229025 is 5209221541.

The square root of 1451229025 is 38095.

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 388208209 + 1063020816 = 19703^2 + 32604^2 .

It is not a de Polignac number, because 1451229025 - 25 = 1451228993 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 3618825 + ... + 3619225.

Almost surely, 21451229025 is an apocalyptic number.

1451229025 is the 38095-th square number.

1451229025 is the 19048-th centered octagonal number.

It is an amenable number.

1451229025 is a deficient number, since it is larger than the sum of its proper divisors (452739608).

1451229025 is an frugal number, since it uses more digits than its factorization.

1451229025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 850 (or 425 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 31.

The cubic root of 1451229025 is about 1132.1708926468.

It can be divided in two parts, 14512 and 29025, that multiplied together give a triangular number (421210800 = T29024).

The spelling of 1451229025 in words is "one billion, four hundred fifty-one million, two hundred twenty-nine thousand, twenty-five".

Divisors: 1 5 19 25 95 361 401 475 1805 2005 7619 9025 10025 38095 144761 160801 190475 723805 804005 3055219 3619025 4020025 15276095 58049161 76380475 290245805 1451229025