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2007534031 = 8324187157
BaseRepresentation
bin111011110101000…
…1000100111001111
312011220112021222021
41313222020213033
513102412042111
6531112231011
7100514520616
oct16752104717
95156467867
102007534031
11940223038
1248039b467
1325cbb4679
1415089a87d
15bb39ed71
hex77a889cf

2007534031 has 4 divisors (see below), whose sum is σ = 2031721272. Its totient is φ = 1983346792.

The previous prime is 2007534007. The next prime is 2007534041. The reversal of 2007534031 is 1304357002.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2007534031 - 25 = 2007533999 is a prime.

It is a super-2 number, since 2×20075340312 = 8060385771246217922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2007533987 and 2007534005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2007534041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12093496 + ... + 12093661.

It is an arithmetic number, because the mean of its divisors is an integer number (507930318).

Almost surely, 22007534031 is an apocalyptic number.

2007534031 is a deficient number, since it is larger than the sum of its proper divisors (24187241).

2007534031 is an equidigital number, since it uses as much as digits as its factorization.

2007534031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24187240.

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 2007534031 is about 44805.5133995806. The cubic root of 2007534031 is about 1261.5011148841.

The spelling of 2007534031 in words is "two billion, seven million, five hundred thirty-four thousand, thirty-one".

Divisors: 1 83 24187157 2007534031