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2137508 = 221134729
BaseRepresentation
bin1000001001110110100100
311000121002222
420021312210
51021400013
6113451512
724111542
oct10116644
94017088
102137508
11122aa3a
12870b98
1359abc9
143d8d92
152c3508
hex209da4

2137508 has 12 divisors (see below), whose sum is σ = 3774540. Its totient is φ = 1059072.

The previous prime is 2137507. The next prime is 2137517. The reversal of 2137508 is 8057312.

It can be written as a sum of positive squares in 2 ways, for example, as 40804 + 2096704 = 202^2 + 1448^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2137507) 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, 1913 + ... + 2816.

It is an arithmetic number, because the mean of its divisors is an integer number (314545).

22137508 is an apocalyptic number.

It is an amenable number.

2137508 is a deficient number, since it is larger than the sum of its proper divisors (1637032).

2137508 is a wasteful number, since it uses less digits than its factorization.

2137508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4846 (or 4844 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 2137508 is about 1462.0218876611. The cubic root of 2137508 is about 128.8158339908.

The spelling of 2137508 in words is "two million, one hundred thirty-seven thousand, five hundred eight".

Divisors: 1 2 4 113 226 452 4729 9458 18916 534377 1068754 2137508