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253777030 = 25131952131
BaseRepresentation
bin11110010000001…
…01010010000110
3122200112012122021
433020011102012
51004431331110
641103153354
76201032503
oct1710052206
9580465567
10253777030
11120283491
1270ba585a
1340765930
14259c04aa
151742d2da
hexf205486

253777030 has 16 divisors (see below), whose sum is σ = 491937264. Its totient is φ = 93702240.

The previous prime is 253776997. The next prime is 253777033. The reversal of 253777030 is 30777352.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253777033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 975936 + ... + 976195.

It is an arithmetic number, because the mean of its divisors is an integer number (30746079).

Almost surely, 2253777030 is an apocalyptic number.

253777030 is a deficient number, since it is larger than the sum of its proper divisors (238160234).

253777030 is a wasteful number, since it uses less digits than its factorization.

253777030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1952151.

The product of its (nonzero) digits is 30870, while the sum is 34.

The square root of 253777030 is about 15930.3807236362. The cubic root of 253777030 is about 633.1171872447.

The spelling of 253777030 in words is "two hundred fifty-three million, seven hundred seventy-seven thousand, thirty".

Divisors: 1 2 5 10 13 26 65 130 1952131 3904262 9760655 19521310 25377703 50755406 126888515 253777030