Search a number
-
+
1493860042 = 21096852569
BaseRepresentation
bin101100100001010…
…0111111011001010
310212002221221201201
41121002213323022
511024412010132
6404122334414
752006413043
oct13102477312
93762857651
101493860042
116a7277184
1235835a40a
131aa65266c
141025858ca
158b2352e7
hex590a7eca

1493860042 has 8 divisors (see below), whose sum is σ = 2261348100. Its totient is φ = 740077344.

The previous prime is 1493860021. The next prime is 1493860061. The reversal of 1493860042 is 2400683941.

It can be written as a sum of positive squares in 2 ways, for example, as 1327217761 + 166642281 = 36431^2 + 12909^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 1493859983 and 1493860010.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3426067 + ... + 3426502.

Almost surely, 21493860042 is an apocalyptic number.

1493860042 is a deficient number, since it is larger than the sum of its proper divisors (767488058).

1493860042 is a wasteful number, since it uses less digits than its factorization.

1493860042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6852680.

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 1493860042 is about 38650.4856631841. The cubic root of 1493860042 is about 1143.1502182939.

The spelling of 1493860042 in words is "one billion, four hundred ninety-three million, eight hundred sixty thousand, forty-two".

Divisors: 1 2 109 218 6852569 13705138 746930021 1493860042