Search a number
-
+
1052628069 = 3557629939
BaseRepresentation
bin111110101111011…
…101010001100101
32201100201001020210
4332233131101211
54123433044234
6252241250033
735041122333
oct7657352145
92640631223
101052628069
114a01aa059
12254633919
1313a10585c
149db2ab53
1562629be9
hex3ebdd465

1052628069 has 8 divisors (see below), whose sum is σ = 1406026080. Its totient is φ = 700491056.

The previous prime is 1052628067. The next prime is 1052628079. The reversal of 1052628069 is 9608262501.

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 1052628069 - 21 = 1052628067 is a prime.

It is a super-2 number, since 2×10526280692 = 2216051703293337522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1052628067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 313299 + ... + 316640.

It is an arithmetic number, because the mean of its divisors is an integer number (175753260).

Almost surely, 21052628069 is an apocalyptic number.

It is an amenable number.

1052628069 is a deficient number, since it is larger than the sum of its proper divisors (353398011).

1052628069 is an equidigital number, since it uses as much as digits as its factorization.

1052628069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 630499.

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 1052628069 is about 32444.2301341856. The cubic root of 1052628069 is about 1017.2436375392.

The spelling of 1052628069 in words is "one billion, fifty-two million, six hundred twenty-eight thousand, sixty-nine".

Divisors: 1 3 557 1671 629939 1889817 350876023 1052628069