Search a number
-
+
742228443 = 321131241847
BaseRepresentation
bin101100001111011…
…000000111011011
31220201122010000100
4230033120013123
53010002302233
6201352310443
724251560215
oct5417300733
91821563010
10742228443
11350a72240
121886a2423
13baa06338
147080b5b5
1545264813
hex2c3d81db

742228443 has 24 divisors (see below), whose sum is σ = 1207305216. Its totient is φ = 435322800.

The previous prime is 742228433. The next prime is 742228457. The reversal of 742228443 is 344822247.

It is not a de Polignac number, because 742228443 - 25 = 742228411 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 742228398 and 742228407.

It is not an unprimeable number, because it can be changed into a prime (742228433) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 117855 + ... + 123992.

It is an arithmetic number, because the mean of its divisors is an integer number (50304384).

Almost surely, 2742228443 is an apocalyptic number.

742228443 is a deficient number, since it is larger than the sum of its proper divisors (465076773).

742228443 is a wasteful number, since it uses less digits than its factorization.

742228443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241895 (or 241892 counting only the distinct ones).

The product of its digits is 86016, while the sum is 36.

The square root of 742228443 is about 27243.8698242375. The cubic root of 742228443 is about 905.4112039131.

The spelling of 742228443 in words is "seven hundred forty-two million, two hundred twenty-eight thousand, four hundred forty-three".

Divisors: 1 3 9 11 31 33 93 99 279 341 1023 3069 241847 725541 2176623 2660317 7497257 7980951 22491771 23942853 67475313 82469827 247409481 742228443