Search a number
-
+
742241406 = 23151819251
BaseRepresentation
bin101100001111011…
…011010001111110
31220201122202210110
4230033123101332
53010003211111
6201352450450
724251643054
oct5417332176
91821582713
10742241406
11350a80a55
121886a9a26
13baa0c1ca
14708121d4
15452685a6
hex2c3db47e

742241406 has 16 divisors (see below), whose sum is σ = 1494315648. Its totient is φ = 245775000.

The previous prime is 742241393. The next prime is 742241407. The reversal of 742241406 is 604142247.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (742241407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 408720 + ... + 410531.

It is an arithmetic number, because the mean of its divisors is an integer number (93394728).

Almost surely, 2742241406 is an apocalyptic number.

742241406 is an abundant number, since it is smaller than the sum of its proper divisors (752074242).

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

742241406 is a wasteful number, since it uses less digits than its factorization.

742241406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 819407.

The product of its (nonzero) digits is 10752, while the sum is 30.

The square root of 742241406 is about 27244.1077299294. The cubic root of 742241406 is about 905.4164748766.

It can be divided in two parts, 7422 and 41406, that added together give a triangular number (48828 = T312).

The spelling of 742241406 in words is "seven hundred forty-two million, two hundred forty-one thousand, four hundred six".

Divisors: 1 2 3 6 151 302 453 906 819251 1638502 2457753 4915506 123706901 247413802 371120703 742241406