Search a number
-
+
440141442 = 23135642839
BaseRepresentation
bin11010001111000…
…000011010000010
31010200012111112220
4122033000122002
51400134011232
6111401431510
713623066126
oct3217003202
91120174486
10440141442
112064a2864
1210349b596
1370257630
1442653586
152899242c
hex1a3c0682

440141442 has 16 divisors (see below), whose sum is σ = 947997120. Its totient is φ = 135428112.

The previous prime is 440141419. The next prime is 440141459. The reversal of 440141442 is 244141044.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2821342 + ... + 2821497.

It is an arithmetic number, because the mean of its divisors is an integer number (59249820).

Almost surely, 2440141442 is an apocalyptic number.

440141442 is an abundant number, since it is smaller than the sum of its proper divisors (507855678).

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

440141442 is a wasteful number, since it uses less digits than its factorization.

440141442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5642857.

The product of its (nonzero) digits is 2048, while the sum is 24.

The square root of 440141442 is about 20979.5481838861. The cubic root of 440141442 is about 760.6719829970.

Adding to 440141442 its reverse (244141044), we get a palindrome (684282486).

The spelling of 440141442 in words is "four hundred forty million, one hundred forty-one thousand, four hundred forty-two".

Divisors: 1 2 3 6 13 26 39 78 5642839 11285678 16928517 33857034 73356907 146713814 220070721 440141442