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1493033997 = 371331176419
BaseRepresentation
bin101100011111101…
…1110010000001101
310212001101222121110
41120333132100031
511024204041442
6404052522233
751666402540
oct13077362015
93761358543
101493033997
116a68625a4
12358020379
131aa423690
1410240c857
158b12069c
hex58fde40d

1493033997 has 32 divisors (see below), whose sum is σ = 2529157120. Its totient is φ = 762125760.

The previous prime is 1493033977. The next prime is 1493034017. The reversal of 1493033997 is 7993303941.

It is an interprime number because it is at equal distance from previous prime (1493033977) and next prime (1493034017).

It is not a de Polignac number, because 1493033997 - 216 = 1492968461 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1493033957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 79747 + ... + 96672.

It is an arithmetic number, because the mean of its divisors is an integer number (79036160).

Almost surely, 21493033997 is an apocalyptic number.

It is an amenable number.

1493033997 is a deficient number, since it is larger than the sum of its proper divisors (1036123123).

1493033997 is a wasteful number, since it uses less digits than its factorization.

1493033997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176473.

The product of its (nonzero) digits is 551124, while the sum is 48.

The square root of 1493033997 is about 38639.7980972986. The cubic root of 1493033997 is about 1142.9394739579.

The spelling of 1493033997 in words is "one billion, four hundred ninety-three million, thirty-three thousand, nine hundred ninety-seven".

Divisors: 1 3 7 13 21 31 39 91 93 217 273 403 651 1209 2821 8463 176419 529257 1234933 2293447 3704799 5468989 6880341 16054129 16406967 38282923 48162387 71096857 114848769 213290571 497677999 1493033997