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253344946 = 24725710487
BaseRepresentation
bin11110001100110…
…11110010110010
3122122201020221011
433012123302302
51004324014241
641050021134
76164253001
oct1706336262
9578636834
10253344946
11120008898
1270a177aa
134064406a
142590ac38
1517395281
hexf19bcb2

253344946 has 16 divisors (see below), whose sum is σ = 389650176. Its totient is φ = 123483136.

The previous prime is 253344943. The next prime is 253344947. The reversal of 253344946 is 649443352.

It is a junction number, because it is equal to n+sod(n) for n = 253344899 and 253344908.

It is not an unprimeable number, because it can be changed into a prime (253344943) 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, 18915 + ... + 29401.

It is an arithmetic number, because the mean of its divisors is an integer number (24353136).

Almost surely, 2253344946 is an apocalyptic number.

253344946 is a deficient number, since it is larger than the sum of its proper divisors (136305230).

253344946 is a wasteful number, since it uses less digits than its factorization.

253344946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10793.

The product of its digits is 311040, while the sum is 40.

The square root of 253344946 is about 15916.8133117154. The cubic root of 253344946 is about 632.7576653326.

The spelling of 253344946 in words is "two hundred fifty-three million, three hundred forty-four thousand, nine hundred forty-six".

Divisors: 1 2 47 94 257 514 10487 12079 20974 24158 492889 985778 2695159 5390318 126672473 253344946