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1064806949 = 19294741117
BaseRepresentation
bin111111011101111…
…010101000100101
32202012121210112102
4333131322220211
54140042310244
6253354301445
735246465303
oct7735725045
92665553472
101064806949
114a7068248
12258727885
1313c7ab0ab
14a15bb273
156373354e
hex3f77aa25

1064806949 has 16 divisors (see below), whose sum is σ = 1184198400. Its totient is φ = 953233344.

The previous prime is 1064806921. The next prime is 1064806961. The reversal of 1064806949 is 9496084601.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2k-1064806949 is a prime.

It is a super-2 number, since 2×10648069492 = 2267627677277377202, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1064806909) 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 15 ways as a sum of consecutive naturals, for example, 5339 + ... + 46455.

It is an arithmetic number, because the mean of its divisors is an integer number (74012400).

Almost surely, 21064806949 is an apocalyptic number.

1064806949 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1064806949 is a deficient number, since it is larger than the sum of its proper divisors (119391451).

1064806949 is a wasteful number, since it uses less digits than its factorization.

1064806949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41212.

The product of its (nonzero) digits is 373248, while the sum is 47.

The square root of 1064806949 is about 32631.3798206573. The cubic root of 1064806949 is about 1021.1517647674.

The spelling of 1064806949 in words is "one billion, sixty-four million, eight hundred six thousand, nine hundred forty-nine".

Divisors: 1 19 29 47 551 893 1363 25897 41117 781223 1192393 1932499 22655467 36717481 56042471 1064806949