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9961490 = 2571117761
BaseRepresentation
bin100110000000…
…000000010010
3200202002121002
4212000000102
510022231430
6553302002
7150446150
oct46000022
920662532
109961490
115694240
123404902
1320aa196
1414743d0
15d1b845
hex980012

9961490 has 64 divisors (see below), whose sum is σ = 23701248. Its totient is φ = 2918400.

The previous prime is 9961487. The next prime is 9961517. The reversal of 9961490 is 941699.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12710 + ... + 13470.

It is an arithmetic number, because the mean of its divisors is an integer number (370332).

Almost surely, 29961490 is an apocalyptic number.

9961490 is an abundant number, since it is smaller than the sum of its proper divisors (13739758).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9961490 is a wasteful number, since it uses less digits than its factorization.

9961490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 803.

The product of its (nonzero) digits is 17496, while the sum is 38.

The square root of 9961490 is about 3156.1828210672. The cubic root of 9961490 is about 215.1665556342.

The spelling of 9961490 in words is "nine million, nine hundred sixty-one thousand, four hundred ninety".

Divisors: 1 2 5 7 10 11 14 17 22 34 35 55 70 77 85 110 119 154 170 187 238 374 385 595 761 770 935 1190 1309 1522 1870 2618 3805 5327 6545 7610 8371 10654 12937 13090 16742 25874 26635 41855 53270 58597 64685 83710 90559 117194 129370 142307 181118 284614 292985 452795 585970 711535 905590 996149 1423070 1992298 4980745 9961490