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1404147472 = 247132334139
BaseRepresentation
bin101001110110001…
…1001011100010000
310121212011002012221
41103230121130100
510333430204342
6351155430424
746540025260
oct12354313420
93555132187
101404147472
11660671862
123322b5414
13194ba14c0
14d46b17a0
1583413a67
hex53b19710

1404147472 has 80 divisors (see below), whose sum is σ = 3363534720. Its totient is φ = 552969216.

The previous prime is 1404147469. The next prime is 1404147509. The reversal of 1404147472 is 2747414041.

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, 337179 + ... + 341317.

It is an arithmetic number, because the mean of its divisors is an integer number (42044184).

Almost surely, 21404147472 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1404147472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1681767360).

1404147472 is an abundant number, since it is smaller than the sum of its proper divisors (1959387248).

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

1404147472 is a wasteful number, since it uses less digits than its factorization.

1404147472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4400 (or 4394 counting only the distinct ones).

The product of its (nonzero) digits is 25088, while the sum is 34.

The square root of 1404147472 is about 37471.9558069765. The cubic root of 1404147472 is about 1119.7925508639.

The spelling of 1404147472 in words is "one billion, four hundred four million, one hundred forty-seven thousand, four hundred seventy-two".

Divisors: 1 2 4 7 8 13 14 16 26 28 52 56 91 104 112 182 208 233 364 466 728 932 1456 1631 1864 3029 3262 3728 4139 6058 6524 8278 12116 13048 16556 21203 24232 26096 28973 33112 42406 48464 53807 57946 66224 84812 107614 115892 169624 215228 231784 339248 376649 430456 463568 753298 860912 964387 1506596 1928774 3013192 3857548 6026384 6750709 7715096 12537031 13501418 15430192 25074062 27002836 50148124 54005672 87759217 100296248 108011344 175518434 200592496 351036868 702073736 1404147472