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1493930461 = 19307256117
BaseRepresentation
bin101100100001011…
…1001000111011101
310212010002112022211
41121002321013131
511024421233321
6404124040421
752010125252
oct13102710735
93763075284
101493930461
116a7315081
12358393111
131aa67872a
141025a3429
158b24b0e1
hex590b91dd

1493930461 has 8 divisors (see below), whose sum is σ = 1577686880. Its totient is φ = 1410686928.

The previous prime is 1493930441. The next prime is 1493930497. The reversal of 1493930461 is 1640393941.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1493930461 - 223 = 1485541853 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1493930401) 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, 122226 + ... + 133891.

It is an arithmetic number, because the mean of its divisors is an integer number (197210860).

Almost surely, 21493930461 is an apocalyptic number.

It is an amenable number.

1493930461 is a deficient number, since it is larger than the sum of its proper divisors (83756419).

1493930461 is a wasteful number, since it uses less digits than its factorization.

1493930461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256443.

The product of its (nonzero) digits is 69984, while the sum is 40.

The square root of 1493930461 is about 38651.3966241842. The cubic root of 1493930461 is about 1143.1681803135.

The spelling of 1493930461 in words is "one billion, four hundred ninety-three million, nine hundred thirty thousand, four hundred sixty-one".

Divisors: 1 19 307 5833 256117 4866223 78627919 1493930461