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1490517142 = 2745258571
BaseRepresentation
bin101100011010111…
…0111110010010110
310211212200010010121
41120311313302112
511023033022032
6403522542154
751636121012
oct13065676226
93755603117
101490517142
116a53a3654
1235720795a
131a9a51c0a
14101d55542
158acc4a97
hex58d77c96

1490517142 has 4 divisors (see below), whose sum is σ = 2235775716. Its totient is φ = 745258570.

The previous prime is 1490517137. The next prime is 1490517167. The reversal of 1490517142 is 2417150941.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 1490517098 and 1490517107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 372629284 + ... + 372629287.

It is an arithmetic number, because the mean of its divisors is an integer number (558943929).

Almost surely, 21490517142 is an apocalyptic number.

1490517142 is a deficient number, since it is larger than the sum of its proper divisors (745258574).

1490517142 is an equidigital number, since it uses as much as digits as its factorization.

1490517142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 745258573.

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 1490517142 is about 38607.2161907589. The cubic root of 1490517142 is about 1142.2968829094.

The spelling of 1490517142 in words is "one billion, four hundred ninety million, five hundred seventeen thousand, one hundred forty-two".

Divisors: 1 2 745258571 1490517142