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1952205 = 35130147
BaseRepresentation
bin111011100100111001101
310200011220220
413130213031
5444432310
6105501553
722410363
oct7344715
93604826
101952205
1111137a2
127a18b9
13534768
1438b633
15288670
hex1dc9cd

1952205 has 8 divisors (see below), whose sum is σ = 3123552. Its totient is φ = 1041168.

The previous prime is 1952201. The next prime is 1952207. The reversal of 1952205 is 5022591.

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

It is not a de Polignac number, because 1952205 - 22 = 1952201 is a prime.

It is a super-2 number, since 2×19522052 = 7622208724050, which contains 22 as substring.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an Ulam number.

1952205 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1952201) 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 7 ways as a sum of consecutive naturals, for example, 65059 + ... + 65088.

It is an arithmetic number, because the mean of its divisors is an integer number (390444).

21952205 is an apocalyptic number.

1952205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1952205 is a deficient number, since it is larger than the sum of its proper divisors (1171347).

1952205 is a wasteful number, since it uses less digits than its factorization.

1952205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130155.

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 1952205 is about 1397.2132979613. The cubic root of 1952205 is about 124.9803702509.

Adding to 1952205 its reverse (5022591), we get a palindrome (6974796).

The spelling of 1952205 in words is "one million, nine hundred fifty-two thousand, two hundred five".

Divisors: 1 3 5 15 130147 390441 650735 1952205