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234545434 = 2751715601
BaseRepresentation
bin11011111101011…
…10000100011010
3121100100010211221
431332232010122
5440020423214
635135042254
75545413634
oct1576560432
9540303757
10234545434
11110438502
126667038a
13397911a6
1423215a54
15158cee24
hexdfae11a

234545434 has 8 divisors (see below), whose sum is σ = 351887508. Its totient is φ = 117249600.

The previous prime is 234545429. The next prime is 234545449. The reversal of 234545434 is 434545432.

234545434 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

It can be written as a sum of positive squares in 2 ways, for example, as 173001409 + 61544025 = 13153^2 + 7845^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×2345454342 = 110023121220496712, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a self number, because there is not a number n which added to its sum of digits gives 234545434.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7234 + ... + 22834.

Almost surely, 2234545434 is an apocalyptic number.

234545434 is a deficient number, since it is larger than the sum of its proper divisors (117342074).

234545434 is a wasteful number, since it uses less digits than its factorization.

234545434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23120.

The product of its digits is 115200, while the sum is 34.

The square root of 234545434 is about 15314.8762319517. The cubic root of 234545434 is about 616.7024317541.

The spelling of 234545434 in words is "two hundred thirty-four million, five hundred forty-five thousand, four hundred thirty-four".

Divisors: 1 2 7517 15034 15601 31202 117272717 234545434