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2052690157 = 72334492803
BaseRepresentation
bin111101001011001…
…1001000011101101
312022001111110112101
41322112121003231
513200442041112
6535404135101
7101603402260
oct17226310355
95261443471
102052690157
11963765551
12493537491
1326936507b
14156892cd7
15c031e757
hex7a5990ed

2052690157 has 16 divisors (see below), whose sum is σ = 2362089600. Its totient is φ = 1747372032.

The previous prime is 2052690119. The next prime is 2052690161. The reversal of 2052690157 is 7510962502.

It is a de Polignac number, because none of the positive numbers 2k-2052690157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2052690187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 730918 + ... + 733720.

It is an arithmetic number, because the mean of its divisors is an integer number (147630600).

Almost surely, 22052690157 is an apocalyptic number.

It is an amenable number.

2052690157 is a deficient number, since it is larger than the sum of its proper divisors (309399443).

2052690157 is a wasteful number, since it uses less digits than its factorization.

2052690157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3492.

The product of its (nonzero) digits is 37800, while the sum is 37.

The square root of 2052690157 is about 45306.6237651847. The cubic root of 2052690157 is about 1270.8895243805.

The spelling of 2052690157 in words is "two billion, fifty-two million, six hundred ninety thousand, one hundred fifty-seven".

Divisors: 1 7 233 449 1631 2803 3143 19621 104617 653099 732319 1258547 4571693 8809829 293241451 2052690157