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2030312 = 23253789
BaseRepresentation
bin111101111101011101000
310211011001202
413233223220
51004432222
6111303332
723154164
oct7575350
93734052
102030312
111167449
1281ab48
1356118b
143abca4
152a1892
hex1efae8

2030312 has 8 divisors (see below), whose sum is σ = 3806850. Its totient is φ = 1015152.

The previous prime is 2030311. The next prime is 2030317. The reversal of 2030312 is 2130302.

It can be written as a sum of positive squares in only one way, i.e., 1473796 + 556516 = 1214^2 + 746^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 2030293 and 2030302.

It is not an unprimeable number, because it can be changed into a prime (2030311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126887 + ... + 126902.

22030312 is an apocalyptic number.

It is an amenable number.

2030312 is a deficient number, since it is larger than the sum of its proper divisors (1776538).

2030312 is a wasteful number, since it uses less digits than its factorization.

2030312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253795 (or 253791 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 11.

The square root of 2030312 is about 1424.8901712062. The cubic root of 2030312 is about 126.6254282500.

Adding to 2030312 its reverse (2130302), we get a palindrome (4160614).

The spelling of 2030312 in words is "two million, thirty thousand, three hundred twelve".

Divisors: 1 2 4 8 253789 507578 1015156 2030312