Search a number
-
+
311424042 = 23371402811
BaseRepresentation
bin10010100011111…
…111010000101010
3210200222222110210
4102203333100222
51114211032132
650522521550
710501026546
oct2243772052
9720888423
10311424042
1114a877546
12883662b6
134c69a8a7
142d508a26
151c518bcc
hex128ff42a

311424042 has 16 divisors (see below), whose sum is σ = 639682272. Its totient is φ = 101002320.

The previous prime is 311423999. The next prime is 311424053. The reversal of 311424042 is 240424113.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 701184 + ... + 701627.

It is an arithmetic number, because the mean of its divisors is an integer number (39980142).

Almost surely, 2311424042 is an apocalyptic number.

311424042 is an abundant number, since it is smaller than the sum of its proper divisors (328258230).

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

311424042 is a wasteful number, since it uses less digits than its factorization.

311424042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1402853.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 311424042 is about 17647.2106011120. The cubic root of 311424042 is about 677.8246820915.

Adding to 311424042 its reverse (240424113), we get a palindrome (551848155).

The spelling of 311424042 in words is "three hundred eleven million, four hundred twenty-four thousand, forty-two".

Divisors: 1 2 3 6 37 74 111 222 1402811 2805622 4208433 8416866 51904007 103808014 155712021 311424042