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229674025 = 52724332
BaseRepresentation
bin11011011000010…
…00110000101001
3121000011122112101
431230020300221
5432244032100
634442413401
75456124400
oct1554106051
9530148471
10229674025
11108710549
1264b01261
1338776ab9
1422708637
151526b86a
hexdb08c29

229674025 has 27 divisors (see below), whose sum is σ = 332059941. Its totient is φ = 157127040.

The previous prime is 229674019. The next prime is 229674041. The reversal of 229674025 is 520476922.

It is a happy number.

The square root of 229674025 is 15155.

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 70207641 + 159466384 = 8379^2 + 12628^2 .

It is not a de Polignac number, because 229674025 - 23 = 229674017 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, 530209 + ... + 530641.

Almost surely, 2229674025 is an apocalyptic number.

229674025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

229674025 is the 15155-th square number.

229674025 is the 7578-th centered octagonal number.

It is an amenable number.

229674025 is a deficient number, since it is larger than the sum of its proper divisors (102385916).

229674025 is an frugal number, since it uses more digits than its factorization.

229674025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 890 (or 445 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 37.

The cubic root of 229674025 is about 612.4029778294.

The spelling of 229674025 in words is "two hundred twenty-nine million, six hundred seventy-four thousand, twenty-five".

Divisors: 1 5 7 25 35 49 175 245 433 1225 2165 3031 10825 15155 21217 75775 106085 187489 530425 937445 1312423 4687225 6562115 9186961 32810575 45934805 229674025