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1066642301 = 2971701739
BaseRepresentation
bin111111100100111…
…010101101111101
32202100002001011102
4333210322231331
54141030023201
6253501502445
735301211214
oct7744725575
92670061142
101066642301
114a810116a
12259271a25
1313cca15ba
14a193807b
156399726b
hex3f93ab7d

1066642301 has 16 divisors (see below), whose sum is σ = 1122076800. Its totient is φ = 1012536000.

The previous prime is 1066642267. The next prime is 1066642333. The reversal of 1066642301 is 1032466601.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1066642301 is a prime.

It is a super-2 number, since 2×10666423012 = 2275451596565149202, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1066642351) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1442990 + ... + 1443728.

It is an arithmetic number, because the mean of its divisors is an integer number (70129800).

Almost surely, 21066642301 is an apocalyptic number.

It is an amenable number.

1066642301 is a deficient number, since it is larger than the sum of its proper divisors (55434499).

1066642301 is an equidigital number, since it uses as much as digits as its factorization.

1066642301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1540.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 1066642301 is about 32659.4902134127. The cubic root of 1066642301 is about 1021.7381299488.

The spelling of 1066642301 in words is "one billion, sixty-six million, six hundred forty-two thousand, three hundred one".

Divisors: 1 29 71 701 739 2059 20329 21431 49771 52469 518039 1443359 1521601 15023131 36780769 1066642301