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2956238 = 21478119
BaseRepresentation
bin1011010001101111001110
312120012012022
423101233032
51224044423
6143210142
734061525
oct13215716
95505168
102956238
11173a07a
12ba6952
137c676c
1456d4bc
153d5dc8
hex2d1bce

2956238 has 4 divisors (see below), whose sum is σ = 4434360. Its totient is φ = 1478118.

The previous prime is 2956237. The next prime is 2956297. The reversal of 2956238 is 8326592.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×29562382 = 17478686225288, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2956198 and 2956207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2956237) 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 as a sum of consecutive naturals, namely, 739058 + ... + 739061.

It is an arithmetic number, because the mean of its divisors is an integer number (1108590).

22956238 is an apocalyptic number.

2956238 is a deficient number, since it is larger than the sum of its proper divisors (1478122).

2956238 is a wasteful number, since it uses less digits than its factorization.

2956238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1478121.

The product of its digits is 25920, while the sum is 35.

The square root of 2956238 is about 1719.3713967610. The cubic root of 2956238 is about 143.5202333200.

The spelling of 2956238 in words is "two million, nine hundred fifty-six thousand, two hundred thirty-eight".

Divisors: 1 2 1478119 2956238