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1064404061 = 7152057723
BaseRepresentation
bin111111011100011…
…000010001011101
32202011212022212122
4333130120101131
54134441412221
6253341512325
735243166560
oct7734302135
92664768778
101064404061
114a6912586
122585726a5
1313c6998b6
14a15144d7
15636a3eab
hex3f71845d

1064404061 has 4 divisors (see below), whose sum is σ = 1216461792. Its totient is φ = 912346332.

The previous prime is 1064404057. The next prime is 1064404063. The reversal of 1064404061 is 1604044601.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1604044601 = 14519110479.

It is a cyclic number.

It is not a de Polignac number, because 1064404061 - 22 = 1064404057 is a prime.

It is a super-2 number, since 2×10644040612 = 2265912010146583442, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1064404061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1064404063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76028855 + ... + 76028868.

It is an arithmetic number, because the mean of its divisors is an integer number (304115448).

Almost surely, 21064404061 is an apocalyptic number.

It is an amenable number.

1064404061 is a deficient number, since it is larger than the sum of its proper divisors (152057731).

1064404061 is an equidigital number, since it uses as much as digits as its factorization.

1064404061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152057730.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 1064404061 is about 32625.2059150590. The cubic root of 1064404061 is about 1021.0229584170.

Adding to 1064404061 its reverse (1604044601), we get a palindrome (2668448662).

The spelling of 1064404061 in words is "one billion, sixty-four million, four hundred four thousand, sixty-one".

Divisors: 1 7 152057723 1064404061