Search a number
-
+
940940430 = 23538980629
BaseRepresentation
bin111000000101011…
…001110010001110
32102120112201121120
4320011121302032
53411340043210
6233211341410
732213601363
oct7005316216
92376481546
10940940430
11443155521
12223151866
1311cc2c2b1
148cd7646a
1557917270
hex38159c8e

940940430 has 32 divisors (see below), whose sum is σ = 2264090400. Its totient is φ = 250269312.

The previous prime is 940940411. The next prime is 940940431. The reversal of 940940430 is 34049049.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 940940391 and 940940400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (940940431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28645 + ... + 51984.

It is an arithmetic number, because the mean of its divisors is an integer number (70752825).

Almost surely, 2940940430 is an apocalyptic number.

940940430 is an abundant number, since it is smaller than the sum of its proper divisors (1323149970).

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

940940430 is a wasteful number, since it uses less digits than its factorization.

940940430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81028.

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 940940430 is about 30674.7523217385. The cubic root of 940940430 is about 979.9126779060.

Adding to 940940430 its reverse (34049049), we get a palindrome (974989479).

The spelling of 940940430 in words is "nine hundred forty million, nine hundred forty thousand, four hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 389 778 1167 1945 2334 3890 5835 11670 80629 161258 241887 403145 483774 806290 1209435 2418870 31364681 62729362 94094043 156823405 188188086 313646810 470470215 940940430