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1493330320 = 245171098037
BaseRepresentation
bin101100100000010…
…0110100110010000
310212001222001002101
41121000212212100
511024243032240
6404103130144
752002045466
oct13100464620
93761861071
101493330320
116a6a45199
12358143954
131aa4c8511
14102488836
158b17d39a
hex59026990

1493330320 has 40 divisors (see below), whose sum is σ = 3676231224. Its totient is φ = 562194432.

The previous prime is 1493330281. The next prime is 1493330341. The reversal of 1493330320 is 230333941.

It can be written as a sum of positive squares in 4 ways, for example, as 44462224 + 1448868096 = 6668^2 + 38064^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 547659 + ... + 550378.

Almost surely, 21493330320 is an apocalyptic number.

1493330320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1493330320 is an abundant number, since it is smaller than the sum of its proper divisors (2182900904).

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

1493330320 is a wasteful number, since it uses less digits than its factorization.

1493330320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1098067 (or 1098061 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 28.

The square root of 1493330320 is about 38643.6323344481. The cubic root of 1493330320 is about 1143.0150821604.

The spelling of 1493330320 in words is "one billion, four hundred ninety-three million, three hundred thirty thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 16 17 20 34 40 68 80 85 136 170 272 340 680 1360 1098037 2196074 4392148 5490185 8784296 10980370 17568592 18666629 21960740 37333258 43921480 74666516 87842960 93333145 149333032 186666290 298666064 373332580 746665160 1493330320