Search a number
-
+
253300388 = 221148711821
BaseRepresentation
bin11110001100100…
…00111010100100
3122122121222210212
433012100322210
51004321103023
641045034552
76164006045
oct1706207244
9578558725
10253300388
1111aa88370
12709b5a58
13406299b3
14258d88cc
1517386e78
hexf190ea4

253300388 has 24 divisors (see below), whose sum is σ = 484607424. Its totient is φ = 114890400.

The previous prime is 253300387. The next prime is 253300427. The reversal of 253300388 is 883003352.

It is a super-2 number, since 2×2533003882 = 128322173121901088, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (253300387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15518 + ... + 27338.

It is an arithmetic number, because the mean of its divisors is an integer number (20191976).

Almost surely, 2253300388 is an apocalyptic number.

It is an amenable number.

253300388 is a deficient number, since it is larger than the sum of its proper divisors (231307036).

253300388 is a wasteful number, since it uses less digits than its factorization.

253300388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12323 (or 12321 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 253300388 is about 15915.4135353122. The cubic root of 253300388 is about 632.7205669422.

The spelling of 253300388 in words is "two hundred fifty-three million, three hundred thousand, three hundred eighty-eight".

Divisors: 1 2 4 11 22 44 487 974 1948 5357 10714 11821 21428 23642 47284 130031 260062 520124 5756827 11513654 23027308 63325097 126650194 253300388