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2070757 = 13212253
BaseRepresentation
bin111111001100011100101
310220012112201
413321203211
51012231012
6112214501
723413123
oct7714345
93805481
102070757
111194877
1283a431
13576700
143bc913
152ad857
hex1f98e5

2070757 has 6 divisors (see below), whose sum is σ = 2242482. Its totient is φ = 1911312.

The previous prime is 2070749. The next prime is 2070781. The reversal of 2070757 is 7570702.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 36 + 2070721 = 6^2 + 1439^2 .

It is not a de Polignac number, because 2070757 - 23 = 2070749 is a prime.

It is a Duffinian number.

2070757 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2070737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5958 + ... + 6295.

It is an arithmetic number, because the mean of its divisors is an integer number (373747).

22070757 is an apocalyptic number.

It is an amenable number.

2070757 is a deficient number, since it is larger than the sum of its proper divisors (171725).

2070757 is a wasteful number, since it uses less digits than its factorization.

2070757 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12279 (or 12266 counting only the distinct ones).

The product of its (nonzero) digits is 3430, while the sum is 28.

The square root of 2070757 is about 1439.0125086322. The cubic root of 2070757 is about 127.4607235166.

Subtracting 2070757 from its reverse (7570702), we obtain a palindrome (5499945).

The spelling of 2070757 in words is "two million, seventy thousand, seven hundred fifty-seven".

Divisors: 1 13 169 12253 159289 2070757