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253386070 = 2576159341
BaseRepresentation
bin11110001101001…
…01110101010110
3122122210100100021
433012211311112
51004331323240
641050535354
76164513620
oct1706456526
9578710307
10253386070
11120036783
1270a3755a
13406599b2
142591bc10
15173a254a
hexf1a5d56

253386070 has 32 divisors (see below), whose sum is σ = 529805376. Its totient is φ = 85449600.

The previous prime is 253386059. The next prime is 253386083. The reversal of 253386070 is 70683352.

253386070 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25401 + ... + 33940.

It is an arithmetic number, because the mean of its divisors is an integer number (16556418).

Almost surely, 2253386070 is an apocalyptic number.

253386070 is an abundant number, since it is smaller than the sum of its proper divisors (276419306).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

253386070 is a wasteful number, since it uses less digits than its factorization.

253386070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59416.

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 253386070 is about 15918.1051007964. The cubic root of 253386070 is about 632.7919007612.

The spelling of 253386070 in words is "two hundred fifty-three million, three hundred eighty-six thousand, seventy".

Divisors: 1 2 5 7 10 14 35 61 70 122 305 427 610 854 2135 4270 59341 118682 296705 415387 593410 830774 2076935 3619801 4153870 7239602 18099005 25338607 36198010 50677214 126693035 253386070