Search a number
-
+
253353933 = 3371340497
BaseRepresentation
bin11110001100111…
…01111111001101
3122122201201021000
433012131333031
51004324311213
641050130513
76164321130
oct1706357715
9578651230
10253353933
11120014618
1270a20a39
1340648191
1425910217
1517397c73
hexf19dfcd

253353933 has 16 divisors (see below), whose sum is σ = 428959360. Its totient is φ = 144773568.

The previous prime is 253353871. The next prime is 253353937. The reversal of 253353933 is 339353352.

It is not a de Polignac number, because 253353933 - 210 = 253352909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253353937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 670060 + ... + 670437.

It is an arithmetic number, because the mean of its divisors is an integer number (26809960).

Almost surely, 2253353933 is an apocalyptic number.

It is an amenable number.

253353933 is a deficient number, since it is larger than the sum of its proper divisors (175605427).

253353933 is a wasteful number, since it uses less digits than its factorization.

253353933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1340513 (or 1340507 counting only the distinct ones).

The product of its digits is 109350, while the sum is 36.

The square root of 253353933 is about 15917.0956207469. The cubic root of 253353933 is about 632.7651472606.

The spelling of 253353933 in words is "two hundred fifty-three million, three hundred fifty-three thousand, nine hundred thirty-three".

Divisors: 1 3 7 9 21 27 63 189 1340497 4021491 9383479 12064473 28150437 36193419 84451311 253353933