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1043252149 = 8312569303
BaseRepresentation
bin111110001011101…
…100001110110101
32200201001200220111
4332023230032311
54114033032044
6251304303021
734565332312
oct7613541665
92621050814
101043252149
11495985865
12251471a71
131381a2084
149c7a9d09
15618c6b34
hex3e2ec3b5

1043252149 has 4 divisors (see below), whose sum is σ = 1055821536. Its totient is φ = 1030682764.

The previous prime is 1043252143. The next prime is 1043252191. The reversal of 1043252149 is 9412523401.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1043252149 - 29 = 1043251637 is a prime.

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 1043252149.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1043252143) 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, 6284569 + ... + 6284734.

It is an arithmetic number, because the mean of its divisors is an integer number (263955384).

Almost surely, 21043252149 is an apocalyptic number.

It is an amenable number.

1043252149 is a deficient number, since it is larger than the sum of its proper divisors (12569387).

1043252149 is an equidigital number, since it uses as much as digits as its factorization.

1043252149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12569386.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 1043252149 is about 32299.4140658929. The cubic root of 1043252149 is about 1014.2143771509.

It can be divided in two parts, 1043252 and 149, that added together give a palindrome (1043401).

The spelling of 1043252149 in words is "one billion, forty-three million, two hundred fifty-two thousand, one hundred forty-nine".

Divisors: 1 83 12569303 1043252149