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2030445431 = 71915266507
BaseRepresentation
bin111100100000110…
…0010001101110111
312020111122022111122
41321001202031313
513124243223211
6533251254155
7101213333660
oct17101421567
95214568448
102030445431
11952151783
12487baa35b
13264877001
14153942367
15bd3c86db
hex79062377

2030445431 has 8 divisors (see below), whose sum is σ = 2442641280. Its totient is φ = 1648782648.

The previous prime is 2030445421. The next prime is 2030445539. The reversal of 2030445431 is 1345440302.

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 2030445431 - 26 = 2030445367 is a prime.

It is a super-2 number, since 2×20304454312 = 8245417296537551522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2030445431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2030445401) 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, 7633121 + ... + 7633386.

It is an arithmetic number, because the mean of its divisors is an integer number (305330160).

Almost surely, 22030445431 is an apocalyptic number.

2030445431 is a deficient number, since it is larger than the sum of its proper divisors (412195849).

2030445431 is a wasteful number, since it uses less digits than its factorization.

2030445431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15266533.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 2030445431 is about 45060.4641676048. The cubic root of 2030445431 is about 1266.2820210729.

Adding to 2030445431 its reverse (1345440302), we get a palindrome (3375885733).

The spelling of 2030445431 in words is "two billion, thirty million, four hundred forty-five thousand, four hundred thirty-one".

Divisors: 1 7 19 133 15266507 106865549 290063633 2030445431