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1407144500 = 22536774157
BaseRepresentation
bin101001111011111…
…0101001000110100
310122001210100100222
41103313311020310
510340212111000
6351343553512
746604350046
oct12367651064
93561710328
101407144500
11662329543
123332bb898
131956b06a8
14d4c51a96
1583806a85
hex53df5234

1407144500 has 48 divisors (see below), whose sum is σ = 3078483408. Its totient is φ = 561891200.

The previous prime is 1407144493. The next prime is 1407144517. The reversal of 1407144500 is 54417041.

It can be written as a sum of positive squares in 8 ways, for example, as 102779044 + 1304365456 = 10138^2 + 36116^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1407144500.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 336422 + ... + 340578.

It is an arithmetic number, because the mean of its divisors is an integer number (64135071).

Almost surely, 21407144500 is an apocalyptic number.

1407144500 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 1407144500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1539241704).

1407144500 is an abundant number, since it is smaller than the sum of its proper divisors (1671338908).

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

1407144500 is a wasteful number, since it uses less digits than its factorization.

1407144500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4853 (or 4841 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 1407144500 is about 37511.9247706646. The cubic root of 1407144500 is about 1120.5886839371.

The spelling of 1407144500 in words is "one billion, four hundred seven million, one hundred forty-four thousand, five hundred".

Divisors: 1 2 4 5 10 20 25 50 100 125 250 500 677 1354 2708 3385 4157 6770 8314 13540 16628 16925 20785 33850 41570 67700 83140 84625 103925 169250 207850 338500 415700 519625 1039250 2078500 2814289 5628578 11257156 14071445 28142890 56285780 70357225 140714450 281428900 351786125 703572250 1407144500