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252140120 = 2356303503
BaseRepresentation
bin11110000011101…
…01101001011000
3122120110001012222
433001311221120
51004021440440
641004123212
76151104251
oct1701655130
9576401188
10252140120
1111a365671
1270536508
134031184b
14256b5b28
15172082b5
hexf075a58

252140120 has 16 divisors (see below), whose sum is σ = 567315360. Its totient is φ = 100856032.

The previous prime is 252140111. The next prime is 252140129. The reversal of 252140120 is 21041252.

252140120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (252140111) and next prime (252140129).

It is a super-2 number, since 2×2521401202 = 127149280227228800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252140129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3151712 + ... + 3151791.

It is an arithmetic number, because the mean of its divisors is an integer number (35457210).

Almost surely, 2252140120 is an apocalyptic number.

252140120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

252140120 is an abundant number, since it is smaller than the sum of its proper divisors (315175240).

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

252140120 is a wasteful number, since it uses less digits than its factorization.

252140120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6303514 (or 6303510 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 252140120 is about 15878.9206182284. The cubic root of 252140120 is about 631.7530079560.

Adding to 252140120 its reverse (21041252), we get a palindrome (273181372).

The spelling of 252140120 in words is "two hundred fifty-two million, one hundred forty thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 6303503 12607006 25214012 31517515 50428024 63035030 126070060 252140120