Search a number
-
+
442271030 = 25148129863
BaseRepresentation
bin11010010111001…
…000010100110110
31010211012200210112
4122113020110312
51401210133110
6111515223022
713650145625
oct3227102466
91124180715
10442271030
11207717853
12104147a72
1370821a46
1442a496bc
1528c63405
hex1a5c8536

442271030 has 16 divisors (see below), whose sum is σ = 796652064. Its totient is φ = 176783040.

The previous prime is 442271029. The next prime is 442271033. The reversal of 442271030 is 30172244.

It is a junction number, because it is equal to n+sod(n) for n = 442270987 and 442271005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442271033) 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, 122 + ... + 29741.

It is an arithmetic number, because the mean of its divisors is an integer number (49790754).

Almost surely, 2442271030 is an apocalyptic number.

442271030 is a deficient number, since it is larger than the sum of its proper divisors (354381034).

442271030 is a wasteful number, since it uses less digits than its factorization.

442271030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31351.

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 442271030 is about 21030.2408450308. The cubic root of 442271030 is about 761.8968258617.

The spelling of 442271030 in words is "four hundred forty-two million, two hundred seventy-one thousand, thirty".

Divisors: 1 2 5 10 1481 2962 7405 14810 29863 59726 149315 298630 44227103 88454206 221135515 442271030