Search a number
-
+
444231490 = 25139319591
BaseRepresentation
bin11010011110100…
…110111101000010
31010221220022001011
4122132212331002
51402210401430
6112025231134
714002622353
oct3236467502
91127808034
10444231490
1120883676a
121049324aa
137105a191
1442dd9d2a
1528eee22a
hex1a7a6f42

444231490 has 16 divisors (see below), whose sum is σ = 805371840. Its totient is φ = 176413680.

The previous prime is 444231479. The next prime is 444231503. The reversal of 444231490 is 94132444.

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, 158406 + ... + 161185.

It is an arithmetic number, because the mean of its divisors is an integer number (50335740).

Almost surely, 2444231490 is an apocalyptic number.

444231490 is a deficient number, since it is larger than the sum of its proper divisors (361140350).

444231490 is a wasteful number, since it uses less digits than its factorization.

444231490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319737.

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 444231490 is about 21076.7998045244. The cubic root of 444231490 is about 763.0209229038.

The spelling of 444231490 in words is "four hundred forty-four million, two hundred thirty-one thousand, four hundred ninety".

Divisors: 1 2 5 10 139 278 695 1390 319591 639182 1597955 3195910 44423149 88846298 222115745 444231490