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1490473061 = 71119356793
BaseRepresentation
bin101100011010110…
…1101000001100101
310211212120212122222
41120311231001211
511023030114221
6403522002125
751635545340
oct13065550145
93755525588
101490473061
116a5373520
123571a6345
131a9a37b2c
14101d43457
158acb69ab
hex58d6d065

1490473061 has 8 divisors (see below), whose sum is σ = 1858252224. Its totient is φ = 1161407520.

The previous prime is 1490473037. The next prime is 1490473073. The reversal of 1490473061 is 1603740941.

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

It is not a de Polignac number, because 1490473061 - 214 = 1490456677 is a prime.

It is a super-3 number, since 3×14904730613 (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1490473021) 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, 9678320 + ... + 9678473.

It is an arithmetic number, because the mean of its divisors is an integer number (232281528).

Almost surely, 21490473061 is an apocalyptic number.

1490473061 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1490473061 is a deficient number, since it is larger than the sum of its proper divisors (367779163).

1490473061 is a wasteful number, since it uses less digits than its factorization.

1490473061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19356811.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 1490473061 is about 38606.6452958555. The cubic root of 1490473061 is about 1142.2856219218.

The spelling of 1490473061 in words is "one billion, four hundred ninety million, four hundred seventy-three thousand, sixty-one".

Divisors: 1 7 11 77 19356793 135497551 212924723 1490473061