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253245435 = 3527162299
BaseRepresentation
bin11110001100000…
…11011111111011
3122122112012102120
433012003133323
51004312323220
641043532323
76163356612
oct1706033773
9578465376
10253245435
1111aa50053
127098a0a3
134060a991
14258c2879
1517375a40
hexf1837fb

253245435 has 16 divisors (see below), whose sum is σ = 406694400. Its totient is φ = 134563680.

The previous prime is 253245403. The next prime is 253245437. The reversal of 253245435 is 534542352.

It is a happy number.

It is not a de Polignac number, because 253245435 - 25 = 253245403 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 253245396 and 253245405.

It is not an unprimeable number, because it can be changed into a prime (253245437) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27085 + ... + 35214.

It is an arithmetic number, because the mean of its divisors is an integer number (25418400).

Almost surely, 2253245435 is an apocalyptic number.

253245435 is a deficient number, since it is larger than the sum of its proper divisors (153448965).

253245435 is a wasteful number, since it uses less digits than its factorization.

253245435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62578.

The product of its digits is 72000, while the sum is 33.

The square root of 253245435 is about 15913.6870334942. The cubic root of 253245435 is about 632.6748078229.

Adding to 253245435 its reverse (534542352), we get a palindrome (787787787).

The spelling of 253245435 in words is "two hundred fifty-three million, two hundred forty-five thousand, four hundred thirty-five".

Divisors: 1 3 5 15 271 813 1355 4065 62299 186897 311495 934485 16883029 50649087 84415145 253245435