Search a number
-
+
1601303740 = 225109734543
BaseRepresentation
bin101111101110001…
…1111010010111100
311010121010122202221
41133130133102330
511234413204430
6422521255124
754452600011
oct13734372274
94117118687
101601303740
11751992223
123883344a4
131c69a130a
14112953708
15958aa57a
hex5f71f4bc

1601303740 has 24 divisors (see below), whose sum is σ = 3393593280. Its totient is φ = 634644288.

The previous prime is 1601303689. The next prime is 1601303747. The reversal of 1601303740 is 473031061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1601303747) 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, 365092 + ... + 369451.

It is an arithmetic number, because the mean of its divisors is an integer number (141399720).

Almost surely, 21601303740 is an apocalyptic number.

1601303740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1601303740 is an abundant number, since it is smaller than the sum of its proper divisors (1792289540).

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

1601303740 is a wasteful number, since it uses less digits than its factorization.

1601303740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 734661 (or 734659 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 1601303740 is about 40016.2934315511. The cubic root of 1601303740 is about 1169.9246889455.

The spelling of 1601303740 in words is "one billion, six hundred one million, three hundred three thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 109 218 436 545 1090 2180 734543 1469086 2938172 3672715 7345430 14690860 80065187 160130374 320260748 400325935 800651870 1601303740