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10161554 = 213390829
BaseRepresentation
bin100110110000…
…110110010010
3201010021000212
4212300312102
510100132204
61001444122
7152241344
oct46606622
921107025
1010161554
115810587
1234a0642
13214a270
1414c7294
15d5ac6e
hex9b0d92

10161554 has 8 divisors (see below), whose sum is σ = 16414860. Its totient is φ = 4689936.

The previous prime is 10161551. The next prime is 10161559. The reversal of 10161554 is 45516101.

It can be written as a sum of positive squares in 2 ways, for example, as 9703225 + 458329 = 3115^2 + 677^2 .

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

It is not an unprimeable number, because it can be changed into a prime (10161551) 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 3 ways as a sum of consecutive naturals, for example, 195389 + ... + 195440.

Almost surely, 210161554 is an apocalyptic number.

10161554 is a deficient number, since it is larger than the sum of its proper divisors (6253306).

10161554 is a wasteful number, since it uses less digits than its factorization.

10161554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390844.

The product of its (nonzero) digits is 600, while the sum is 23.

The square root of 10161554 is about 3187.7192473617. The cubic root of 10161554 is about 216.5974685004.

Adding to 10161554 its reverse (45516101), we get a palindrome (55677655).

The spelling of 10161554 in words is "ten million, one hundred sixty-one thousand, five hundred fifty-four".

Divisors: 1 2 13 26 390829 781658 5080777 10161554