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1550114490 = 23551670483
BaseRepresentation
bin101110001100100…
…1101111010111010
311000000210222022210
41130121031322322
511133312130430
6413452155550
753261520141
oct13431157272
94000728283
101550114490
11725aa9a61
12373168bb6
131b91ba812
14109c2a758
15911482b0
hex5c64deba

1550114490 has 16 divisors (see below), whose sum is σ = 3720274848. Its totient is φ = 413363856.

The previous prime is 1550114459. The next prime is 1550114491. The reversal of 1550114490 is 944110551.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 51670483 = 1550114490 / (1 + 5 + 5 + 0 + 1 + 1 + 4 + 4 + 9 + 0).

It is not an unprimeable number, because it can be changed into a prime (1550114491) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25835212 + ... + 25835271.

It is an arithmetic number, because the mean of its divisors is an integer number (232517178).

Almost surely, 21550114490 is an apocalyptic number.

1550114490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1550114490 is an abundant number, since it is smaller than the sum of its proper divisors (2170160358).

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

1550114490 is a wasteful number, since it uses less digits than its factorization.

1550114490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51670493.

The product of its (nonzero) digits is 3600, while the sum is 30.

The square root of 1550114490 is about 39371.4933676639. The cubic root of 1550114490 is about 1157.3230208948.

The spelling of 1550114490 in words is "one billion, five hundred fifty million, one hundred fourteen thousand, four hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 51670483 103340966 155011449 258352415 310022898 516704830 775057245 1550114490