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1490495200 = 255215711867
BaseRepresentation
bin101100011010111…
…0010011011100000
310211212122000000221
41120311302123200
511023031321300
6403522252424
751636000025
oct13065623340
93755560027
101490495200
116a5389117
123571b7114
131a9a44c2c
14101d4b54c
158acbd31a
hex58d726e0

1490495200 has 72 divisors (see below), whose sum is σ = 3662156232. Its totient is φ = 592350720.

The previous prime is 1490495143. The next prime is 1490495267. The reversal of 1490495200 is 25940941.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 119667 + ... + 131533.

It is an arithmetic number, because the mean of its divisors is an integer number (50863281).

Almost surely, 21490495200 is an apocalyptic number.

1490495200 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 1490495200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1831078116).

1490495200 is an abundant number, since it is smaller than the sum of its proper divisors (2171661032).

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

1490495200 is a wasteful number, since it uses less digits than its factorization.

1490495200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12044 (or 12031 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 1490495200 is about 38606.9320200401. The cubic root of 1490495200 is about 1142.2912776063.

The spelling of 1490495200 in words is "one billion, four hundred ninety million, four hundred ninety-five thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 100 157 160 200 314 400 628 785 800 1256 1570 2512 3140 3925 5024 6280 7850 11867 12560 15700 23734 25120 31400 47468 59335 62800 94936 118670 125600 189872 237340 296675 379744 474680 593350 949360 1186700 1863119 1898720 2373400 3726238 4746800 7452476 9315595 9493600 14904952 18631190 29809904 37262380 46577975 59619808 74524760 93155950 149049520 186311900 298099040 372623800 745247600 1490495200