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1493000145 = 3257131931619
BaseRepresentation
bin101100011111101…
…0101111111010001
310212001100021011200
41120333111333101
511024202001040
6404052101413
751666202050
oct13077257721
93761307150
101493000145
116a683a11a
12358004869
131aa411150
14102400397
158b115630
hex58fd5fd1

1493000145 has 192 divisors, whose sum is σ = 3466444800. Its totient is φ = 576668160.

The previous prime is 1493000143. The next prime is 1493000153. The reversal of 1493000145 is 5410003941.

It is not a de Polignac number, because 1493000145 - 21 = 1493000143 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1493000143) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 2411646 + ... + 2412264.

It is an arithmetic number, because the mean of its divisors is an integer number (18054400).

Almost surely, 21493000145 is an apocalyptic number.

1493000145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1493000145 is an abundant number, since it is smaller than the sum of its proper divisors (1973444655).

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

1493000145 is a wasteful number, since it uses less digits than its factorization.

1493000145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 700 (or 697 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 1493000145 is about 38639.3600490484. The cubic root of 1493000145 is about 1142.9308358247.

The spelling of 1493000145 in words is "one billion, four hundred ninety-three million, one hundred forty-five", and thus it is an aban number.