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1027017629 = 112295412
BaseRepresentation
bin111101001101110…
…000101110011101
32122120111220022222
4331031300232131
54100404031004
6245524315125
734310335331
oct7515605635
92576456288
101027017629
114877a7600
12247b42aa5
13134a09851
149a5817c1
156026b7be
hex3d370b9d

1027017629 has 18 divisors (see below), whose sum is σ = 1169959770. Its totient is φ = 899791200.

The previous prime is 1027017619. The next prime is 1027017637. The reversal of 1027017629 is 9267107201.

It can be written as a sum of positive squares in 3 ways, for example, as 90535225 + 936482404 = 9515^2 + 30602^2 .

It is not a de Polignac number, because 1027017629 - 24 = 1027017613 is a prime.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1027017619) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1898099 + ... + 1898639.

It is an arithmetic number, because the mean of its divisors is an integer number (64997765).

Almost surely, 21027017629 is an apocalyptic number.

It is an amenable number.

1027017629 is a deficient number, since it is larger than the sum of its proper divisors (142942141).

1027017629 is an frugal number, since it uses more digits than its factorization.

1027017629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1133 (or 581 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 35.

The square root of 1027017629 is about 32047.1157672574. The cubic root of 1027017629 is about 1008.9259664046.

The spelling of 1027017629 in words is "one billion, twenty-seven million, seventeen thousand, six hundred twenty-nine".

Divisors: 1 11 29 121 319 541 3509 5951 15689 65461 172579 292681 1898369 3219491 8487749 35414401 93365239 1027017629