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1490700384 = 25326737691
BaseRepresentation
bin101100011011010…
…0100100001100000
310211220000102111100
41120312210201200
511023104403014
6403530514400
751640513155
oct13066444140
93756012440
101490700384
116a5509298
12357295a00
131a9ab7444
14101da222c
158ad0e009
hex58da4860

1490700384 has 72 divisors (see below), whose sum is σ = 4246030152. Its totient is φ = 496097280.

The previous prime is 1490700383. The next prime is 1490700389. The reversal of 1490700384 is 4830070941.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1490700383) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 189979 + ... + 197669.

It is an arithmetic number, because the mean of its divisors is an integer number (58972641).

Almost surely, 21490700384 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 1490700384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2123015076).

1490700384 is an abundant number, since it is smaller than the sum of its proper divisors (2755329768).

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

1490700384 is a wasteful number, since it uses less digits than its factorization.

1490700384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8380 (or 8369 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 1490700384 is about 38609.5892752047. The cubic root of 1490700384 is about 1142.3436917613.

The spelling of 1490700384 in words is "one billion, four hundred ninety million, seven hundred thousand, three hundred eighty-four".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 72 96 144 288 673 1346 2019 2692 4038 5384 6057 7691 8076 10768 12114 15382 16152 21536 23073 24228 30764 32304 46146 48456 61528 64608 69219 92292 96912 123056 138438 184584 193824 246112 276876 369168 553752 738336 1107504 2215008 5176043 10352086 15528129 20704172 31056258 41408344 46584387 62112516 82816688 93168774 124225032 165633376 186337548 248450064 372675096 496900128 745350192 1490700384