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261053230 = 2526105323
BaseRepresentation
bin11111000111101…
…01101100101110
3200012012212201011
433203311230232
51013312200410
641523135434
76316626064
oct1743655456
9605185634
10261053230
111243a3179
127351457a
1342112789
1426956034
1517db918a
hexf8f5b2e

261053230 has 8 divisors (see below), whose sum is σ = 469895832. Its totient is φ = 104421288.

The previous prime is 261053159. The next prime is 261053237. The reversal of 261053230 is 32350162.

261053230 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (261053237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13052652 + ... + 13052671.

It is an arithmetic number, because the mean of its divisors is an integer number (58736979).

Almost surely, 2261053230 is an apocalyptic number.

261053230 is a deficient number, since it is larger than the sum of its proper divisors (208842602).

261053230 is a wasteful number, since it uses less digits than its factorization.

261053230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26105330.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 261053230 is about 16157.1417645572. The cubic root of 261053230 is about 639.1110950607. Note that the first 3 decimals are identical.

The spelling of 261053230 in words is "two hundred sixty-one million, fifty-three thousand, two hundred thirty".

Divisors: 1 2 5 10 26105323 52210646 130526615 261053230