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253381416 = 23319555661
BaseRepresentation
bin11110001101001…
…00101100101000
3122122210002221220
433012210230220
51004331201131
641050502040
76164464221
oct1706445450
9578702856
10253381416
11120033232
1270a34920
1340657842
142591a248
15173a0e96
hexf1a4b28

253381416 has 32 divisors (see below), whose sum is σ = 666794400. Its totient is φ = 80015040.

The previous prime is 253381399. The next prime is 253381417. The reversal of 253381416 is 614183352.

It is not an unprimeable number, because it can be changed into a prime (253381417) 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, 277375 + ... + 278286.

It is an arithmetic number, because the mean of its divisors is an integer number (20837325).

Almost surely, 2253381416 is an apocalyptic number.

It is an amenable number.

253381416 is an abundant number, since it is smaller than the sum of its proper divisors (413412984).

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

253381416 is a wasteful number, since it uses less digits than its factorization.

253381416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555689 (or 555685 counting only the distinct ones).

The product of its digits is 17280, while the sum is 33.

The square root of 253381416 is about 15917.9589143835. The cubic root of 253381416 is about 632.7880265262.

The spelling of 253381416 in words is "two hundred fifty-three million, three hundred eighty-one thousand, four hundred sixteen".

Divisors: 1 2 3 4 6 8 12 19 24 38 57 76 114 152 228 456 555661 1111322 1666983 2222644 3333966 4445288 6667932 10557559 13335864 21115118 31672677 42230236 63345354 84460472 126690708 253381416