Search a number
-
+
310004020 = 225127912119
BaseRepresentation
bin10010011110100…
…100100100110100
3210121022211120101
4102132210210310
51113330112040
650432243444
710452663544
oct2236444464
9717284511
10310004020
11149a97677
12879a0584
134c2c1441
142d259324
151c33809a
hex127a4934

310004020 has 24 divisors (see below), whose sum is σ = 651571200. Its totient is φ = 123894432.

The previous prime is 310003951. The next prime is 310004053. The reversal of 310004020 is 20400013.

It is a super-2 number, since 2×3100040202 = 192204984832320800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 310003988 and 310004006.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 19521 + ... + 31639.

It is an arithmetic number, because the mean of its divisors is an integer number (27148800).

Almost surely, 2310004020 is an apocalyptic number.

It is an amenable number.

310004020 is an abundant number, since it is smaller than the sum of its proper divisors (341567180).

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

310004020 is a wasteful number, since it uses less digits than its factorization.

310004020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13407 (or 13405 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 310004020 is about 17606.9310216176. The cubic root of 310004020 is about 676.7928706772.

Adding to 310004020 its reverse (20400013), we get a palindrome (330404033).

The spelling of 310004020 in words is "three hundred ten million, four thousand, twenty".

Divisors: 1 2 4 5 10 20 1279 2558 5116 6395 12119 12790 24238 25580 48476 60595 121190 242380 15500201 31000402 62000804 77501005 155002010 310004020