Search a number
-
+
253343109 = 3591431317
BaseRepresentation
bin11110001100110…
…11010110000101
3122122201011102010
433012123112011
51004323434414
641050004433
76164244435
oct1706332605
9578634363
10253343109
11120007478
1270a16719
1340643286
142590a2c5
1517394959
hexf19b585

253343109 has 8 divisors (see below), whose sum is σ = 343516320. Its totient is φ = 166032656.

The previous prime is 253343099. The next prime is 253343117. The reversal of 253343109 is 901343352.

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

It is a cyclic number.

It is not a de Polignac number, because 253343109 - 211 = 253341061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253343179) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 715482 + ... + 715835.

It is an arithmetic number, because the mean of its divisors is an integer number (42939540).

Almost surely, 2253343109 is an apocalyptic number.

It is an amenable number.

253343109 is a deficient number, since it is larger than the sum of its proper divisors (90173211).

253343109 is a wasteful number, since it uses less digits than its factorization.

253343109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1431379.

The product of its (nonzero) digits is 9720, while the sum is 30.

The square root of 253343109 is about 15916.7556053362. The cubic root of 253343109 is about 632.7561359571.

The spelling of 253343109 in words is "two hundred fifty-three million, three hundred forty-three thousand, one hundred nine".

Divisors: 1 3 59 177 1431317 4293951 84447703 253343109