Search a number
-
+
490901312 = 2611697303
BaseRepresentation
bin11101010000101…
…000111101000000
31021012201101000002
4131100220331000
52001132320222
6120413415132
715110410106
oct3520507500
91235641002
10490901312
11232112470
1211849a4a8
137a91a865
14492a7c76
152d16c392
hex1d428f40

490901312 has 28 divisors (see below), whose sum is σ = 1062691296. Its totient is φ = 223136640.

The previous prime is 490901303. The next prime is 490901329. The reversal of 490901312 is 213109094.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 347948 + ... + 349355.

Almost surely, 2490901312 is an apocalyptic number.

It is an amenable number.

490901312 is an abundant number, since it is smaller than the sum of its proper divisors (571789984).

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

490901312 is a wasteful number, since it uses less digits than its factorization.

490901312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 697326 (or 697316 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 490901312 is about 22156.2928307061. The cubic root of 490901312 is about 788.8566015337.

The spelling of 490901312 in words is "four hundred ninety million, nine hundred one thousand, three hundred twelve".

Divisors: 1 2 4 8 11 16 22 32 44 64 88 176 352 704 697303 1394606 2789212 5578424 7670333 11156848 15340666 22313696 30681332 44627392 61362664 122725328 245450656 490901312