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430920001 = 59921201
BaseRepresentation
bin11001101011110…
…101000101000001
31010000212000010001
4121223311011001
51340303420001
6110432040001
713451521351
oct3153650501
91100760101
10430920001
11201274636
12100393001
136b379265
1441332b61
1527c70001
hex19af5141

430920001 has 6 divisors (see below), whose sum is σ = 432000002. Its totient is φ = 429842400.

The previous prime is 430919989. The next prime is 430920013. The reversal of 430920001 is 100029034.

430920001 is nontrivially palindromic in base 12.

It is an interprime number because it is at equal distance from previous prime (430919989) and next prime (430920013).

It can be written as a sum of positive squares in only one way, i.e., 224250625 + 206669376 = 14975^2 + 14376^2 .

It is not a de Polignac number, because 430920001 - 25 = 430919969 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (430920031) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 358201 + ... + 359401.

It is a 399-hyperperfect number.

Almost surely, 2430920001 is an apocalyptic number.

It is an amenable number.

430920001 is a deficient number, since it is larger than the sum of its proper divisors (1080001).

430920001 is an frugal number, since it uses more digits than its factorization.

430920001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2399 (or 1800 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 430920001 is about 20758.6126944938. The cubic root of 430920001 is about 755.3221442988.

Adding to 430920001 its reverse (100029034), we get a palindrome (530949035).

It can be divided in two parts, 4309 and 20001, that added together give a triangular number (24310 = T220).

The spelling of 430920001 in words is "four hundred thirty million, nine hundred twenty thousand, one".

Divisors: 1 599 1201 358801 719399 430920001