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253798234 = 2126899117
BaseRepresentation
bin11110010000010…
…10011101011010
3122200120021201121
433020022131122
51004433020414
641103435454
76201151354
oct1710123532
9580507647
10253798234
11120298408
1270bb5b8a
1340772491
14259c80d4
1517434724
hexf20a75a

253798234 has 4 divisors (see below), whose sum is σ = 380697354. Its totient is φ = 126899116.

The previous prime is 253798231. The next prime is 253798243. The reversal of 253798234 is 432897352.

253798234 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 251317609 + 2480625 = 15853^2 + 1575^2 .

It is not an unprimeable number, because it can be changed into a prime (253798231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63449557 + ... + 63449560.

Almost surely, 2253798234 is an apocalyptic number.

253798234 is a deficient number, since it is larger than the sum of its proper divisors (126899120).

253798234 is a wasteful number, since it uses less digits than its factorization.

253798234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126899119.

The product of its digits is 362880, while the sum is 43.

The square root of 253798234 is about 15931.0462305525. The cubic root of 253798234 is about 633.1348198400.

The spelling of 253798234 in words is "two hundred fifty-three million, seven hundred ninety-eight thousand, two hundred thirty-four".

Divisors: 1 2 126899117 253798234