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1490962220 = 22511174373127
BaseRepresentation
bin101100011011110…
…0100011100101100
310211220111201122222
41120313210130230
511023141242340
6403540254512
751642653426
oct13067443454
93756451588
101490962220
116a5677a90
123573a1438
131a9b79687
1410202d816
158ad618b5
hex58de472c

1490962220 has 192 divisors, whose sum is σ = 3780919296. Its totient is φ = 487710720.

The previous prime is 1490962211. The next prime is 1490962229. The reversal of 1490962220 is 222690941.

It is an interprime number because it is at equal distance from previous prime (1490962211) and next prime (1490962229).

It is not an unprimeable number, because it can be changed into a prime (1490962229) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11739797 + ... + 11739923.

It is an arithmetic number, because the mean of its divisors is an integer number (19692288).

Almost surely, 21490962220 is an apocalyptic number.

1490962220 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 1490962220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1890459648).

1490962220 is an abundant number, since it is smaller than the sum of its proper divisors (2289957076).

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

1490962220 is a wasteful number, since it uses less digits than its factorization.

1490962220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280 (or 278 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 1490962220 is about 38612.9799419832. The cubic root of 1490962220 is about 1142.4105706583.

The spelling of 1490962220 in words is "one billion, four hundred ninety million, nine hundred sixty-two thousand, two hundred twenty".