Search a number
-
+
1952293 = 71312129
BaseRepresentation
bin111011100101000100101
310200012001011
413130220211
5444433133
6105502221
722410550
oct7345045
93605034
101952293
111113872
127a1971
13534805
1438b697
152886cd
hex1dca25

1952293 has 8 divisors (see below), whose sum is σ = 2249280. Its totient is φ = 1659840.

The previous prime is 1952267. The next prime is 1952311. The reversal of 1952293 is 3922591.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1952293 - 25 = 1952261 is a prime.

It is a super-2 number, since 2×19522932 = 7622895915698, which contains 22 as substring.

It is a Duffinian number.

1952293 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1952693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 148 + ... + 1981.

It is an arithmetic number, because the mean of its divisors is an integer number (281160).

21952293 is an apocalyptic number.

It is an amenable number.

1952293 is a deficient number, since it is larger than the sum of its proper divisors (296987).

1952293 is a wasteful number, since it uses less digits than its factorization.

1952293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2267.

The product of its digits is 4860, while the sum is 31.

The square root of 1952293 is about 1397.2447888613. The cubic root of 1952293 is about 124.9822481458.

The spelling of 1952293 in words is "one million, nine hundred fifty-two thousand, two hundred ninety-three".

Divisors: 1 7 131 917 2129 14903 278899 1952293