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1495408993 = 13691166471
BaseRepresentation
bin101100100100010…
…0010000101100001
310212012212122111021
41121020202011201
511030311041433
6404215445441
752025523661
oct13110420541
93765778437
101495408993
116a8134a01
12358986881
131aaa756c0
1410286a1a1
158b43e22d
hex59222161

1495408993 has 8 divisors (see below), whose sum is σ = 1612780736. Its totient is φ = 1378371600.

The previous prime is 1495408987. The next prime is 1495408997. The reversal of 1495408993 is 3998045941.

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 1495408993 - 217 = 1495277921 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1495408993.

It is not an unprimeable number, because it can be changed into a prime (1495408997) by changing a digit.

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, 74253 + ... + 92218.

It is an arithmetic number, because the mean of its divisors is an integer number (201597592).

Almost surely, 21495408993 is an apocalyptic number.

1495408993 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1495408993 is a deficient number, since it is larger than the sum of its proper divisors (117371743).

1495408993 is a wasteful number, since it uses less digits than its factorization.

1495408993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167175.

The product of its (nonzero) digits is 1399680, while the sum is 52.

The square root of 1495408993 is about 38670.5183958012. The cubic root of 1495408993 is about 1143.5451843509.

The spelling of 1495408993 in words is "one billion, four hundred ninety-five million, four hundred eight thousand, nine hundred ninety-three".

Divisors: 1 13 691 8983 166471 2164123 115031461 1495408993