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1052531233 = 13223363067
BaseRepresentation
bin111110101111000…
…101101000100001
32201100112010102021
4332233011220201
54123421444413
6252235221441
735040240115
oct7657055041
92640463367
101052531233
114a0143326
122545a7881
1313a0a0760
149db03745
156260b18d
hex3ebc5a21

1052531233 has 8 divisors (see below), whose sum is σ = 1138581248. Its totient is φ = 967207824.

The previous prime is 1052531173. The next prime is 1052531273. The reversal of 1052531233 is 3321352501.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1052531233 is a prime.

It is a super-2 number, since 2×10525312332 = 2215643992881000578, 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 = 1052531198 and 1052531207.

It is not an unprimeable number, because it can be changed into a prime (1052531273) 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, 178635 + ... + 184432.

It is an arithmetic number, because the mean of its divisors is an integer number (142322656).

Almost surely, 21052531233 is an apocalyptic number.

1052531233 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1052531233 is a deficient number, since it is larger than the sum of its proper divisors (86050015).

1052531233 is a wasteful number, since it uses less digits than its factorization.

1052531233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363303.

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 1052531233 is about 32442.7377543881. The cubic root of 1052531233 is about 1017.2124429737.

Adding to 1052531233 its reverse (3321352501), we get a palindrome (4373883734).

The spelling of 1052531233 in words is "one billion, fifty-two million, five hundred thirty-one thousand, two hundred thirty-three".

Divisors: 1 13 223 2899 363067 4719871 80963941 1052531233