Search a number
-
+
1470138 = 23245023
BaseRepresentation
bin101100110111010111010
32202200122120
411212322322
5334021023
651302110
715332055
oct5467272
92680576
101470138
1191459a
125aa936
133c6207
142a3a9c
151e08e3
hex166eba

1470138 has 8 divisors (see below), whose sum is σ = 2940288. Its totient is φ = 490044.

The previous prime is 1470071. The next prime is 1470149. The reversal of 1470138 is 8310741.

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

1470138 is an admirable number.

It is a super-2 number, since 2×14701382 = 4322611478088, which contains 22 as substring.

It is an Ulam number.

It is a Curzon number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 122506 + ... + 122517.

It is an arithmetic number, because the mean of its divisors is an integer number (367536).

21470138 is an apocalyptic number.

1470138 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1470138 is a wasteful number, since it uses less digits than its factorization.

1470138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245028.

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 1470138 is about 1212.4924742034. The cubic root of 1470138 is about 113.7066944601.

Adding to 1470138 its reverse (8310741), we get a palindrome (9780879).

The spelling of 1470138 in words is "one million, four hundred seventy thousand, one hundred thirty-eight".

Divisors: 1 2 3 6 245023 490046 735069 1470138