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1066430141 = 7473241429
BaseRepresentation
bin111111100100000…
…110111010111101
32202022200021010122
4333210012322331
54141001231031
6253453144325
735266335530
oct7744067275
92668607118
101066430141
114a7a76827
1225918b0a5
1313cc28b6a
14a18c0a17
156395447b
hex3f906ebd

1066430141 has 8 divisors (see below), whose sum is σ = 1244709120. Its totient is φ = 894634128.

The previous prime is 1066430093. The next prime is 1066430149. The reversal of 1066430141 is 1410346601.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1066430141 is a prime.

It is a super-2 number, since 2×10664301412 = 2274546491266559762, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1066430141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1066430149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1620386 + ... + 1621043.

It is an arithmetic number, because the mean of its divisors is an integer number (155588640).

Almost surely, 21066430141 is an apocalyptic number.

It is an amenable number.

1066430141 is a deficient number, since it is larger than the sum of its proper divisors (178278979).

1066430141 is an equidigital number, since it uses as much as digits as its factorization.

1066430141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3241483.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 1066430141 is about 32656.2419913866. The cubic root of 1066430141 is about 1021.6703826714.

Adding to 1066430141 its reverse (1410346601), we get a palindrome (2476776742).

The spelling of 1066430141 in words is "one billion, sixty-six million, four hundred thirty thousand, one hundred forty-one".

Divisors: 1 7 47 329 3241429 22690003 152347163 1066430141