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1409897980 = 2253113117359
BaseRepresentation
bin101010000001001…
…0101010111111100
310122020222020102201
41110002111113330
510341413213410
6351523001244
746636635511
oct12402252774
93566866381
101409897980
1166393a247
12334209224
13196135a7a
14d536b308
1583b9c83a
hex540955fc

1409897980 has 48 divisors (see below), whose sum is σ = 3079802880. Its totient is φ = 541569600.

The previous prime is 1409897977. The next prime is 1409898013. The reversal of 1409897980 is 897989041.

1409897980 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72541 + ... + 89899.

It is an arithmetic number, because the mean of its divisors is an integer number (64162560).

Almost surely, 21409897980 is an apocalyptic number.

1409897980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1409897980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1539901440).

1409897980 is an abundant number, since it is smaller than the sum of its proper divisors (1669904900).

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

1409897980 is a wasteful number, since it uses less digits than its factorization.

1409897980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17530 (or 17528 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 55.

The square root of 1409897980 is about 37548.6082298665. The cubic root of 1409897980 is about 1121.3191249469.

The spelling of 1409897980 in words is "one billion, four hundred nine million, eight hundred ninety-seven thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 20 31 62 124 131 155 262 310 524 620 655 1310 2620 4061 8122 16244 17359 20305 34718 40610 69436 81220 86795 173590 347180 538129 1076258 2152516 2274029 2690645 4548058 5381290 9096116 10762580 11370145 22740290 45480580 70494899 140989798 281979596 352474495 704948990 1409897980