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1490163480 = 23365133931
BaseRepresentation
bin101100011010010…
…0001011100011000
310211212000011000000
41120310201130120
511022440212410
6403511213000
751633115641
oct13064413430
93755004000
101490163480
116a5181973
12357077160
131a9959c50
14101ca26c8
158ac54dc0
hex58d21718

1490163480 has 224 divisors, whose sum is σ = 5415071760. Its totient is φ = 366716160.

The previous prime is 1490163469. The next prime is 1490163487. The reversal of 1490163480 is 843610941.

1490163480 is a `hidden beast` number, since 1 + 490 + 163 + 4 + 8 + 0 = 666.

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 (1490163487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 377115 + ... + 381045.

Almost surely, 21490163480 is an apocalyptic number.

1490163480 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 1490163480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2707535880).

1490163480 is an abundant number, since it is smaller than the sum of its proper divisors (3924908280).

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

1490163480 is a wasteful number, since it uses less digits than its factorization.

1490163480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3973 (or 3954 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 1490163480 is about 38602.6356613120. The cubic root of 1490163480 is about 1142.2065297148.

The spelling of 1490163480 in words is "one billion, four hundred ninety million, one hundred sixty-three thousand, four hundred eighty".