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423034261 = 1385338149
BaseRepresentation
bin11001001101101…
…111110110010101
31002111000100220121
4121031233312111
51331244044021
6105551031541
713324506016
oct3115576625
91074010817
10423034261
111a78789a1
12b980b5b1
1369847b40
144027d00d
1527213741
hex1936fd95

423034261 has 8 divisors (see below), whose sum is σ = 456121400. Its totient is φ = 390025152.

The previous prime is 423034253. The next prime is 423034267. The reversal of 423034261 is 162430324.

It can be written as a sum of positive squares in 4 ways, for example, as 11350161 + 411684100 = 3369^2 + 20290^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 423034261 - 23 = 423034253 is a prime.

It is a super-2 number, since 2×4230342612 = 357915971959632242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423034267) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7986 + ... + 30163.

It is an arithmetic number, because the mean of its divisors is an integer number (57015175).

Almost surely, 2423034261 is an apocalyptic number.

It is an amenable number.

423034261 is a deficient number, since it is larger than the sum of its proper divisors (33087139).

423034261 is a wasteful number, since it uses less digits than its factorization.

423034261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39015.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 423034261 is about 20567.7966977506. The cubic root of 423034261 is about 750.6863412042.

Adding to 423034261 its reverse (162430324), we get a palindrome (585464585).

It can be divided in two parts, 42303 and 4261, that added together give a palindrome (46564).

The spelling of 423034261 in words is "four hundred twenty-three million, thirty-four thousand, two hundred sixty-one".

Divisors: 1 13 853 11089 38149 495937 32541097 423034261