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1064897197 = 713291133571
BaseRepresentation
bin111111011110010…
…000101010101101
32202012210101022221
4333132100222231
54140103202242
6253400235341
735250322360
oct7736205255
92665711287
101064897197
114a711a031
1225876bb51
1313c8101b0
14a16020d7
1563750167
hex3f790aad

1064897197 has 32 divisors (see below), whose sum is σ = 1368218880. Its totient is φ = 806077440.

The previous prime is 1064897177. The next prime is 1064897201. The reversal of 1064897197 is 7917984601.

It is not a de Polignac number, because 1064897197 - 223 = 1056508589 is a prime.

It is a super-2 number, since 2×10648971972 = 2268012080356913618, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1064897177) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 296422 + ... + 299992.

It is an arithmetic number, because the mean of its divisors is an integer number (42756840).

Almost surely, 21064897197 is an apocalyptic number.

It is an amenable number.

1064897197 is a deficient number, since it is larger than the sum of its proper divisors (303321683).

1064897197 is a wasteful number, since it uses less digits than its factorization.

1064897197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3733.

The product of its (nonzero) digits is 762048, while the sum is 52.

The square root of 1064897197 is about 32632.7626320543. The cubic root of 1064897197 is about 1021.1806132835.

The spelling of 1064897197 in words is "one billion, sixty-four million, eight hundred ninety-seven thousand, one hundred ninety-seven".

Divisors: 1 7 13 29 91 113 203 377 791 1469 2639 3277 3571 10283 22939 24997 42601 46423 103559 298207 324961 403523 724913 1346267 2824661 5245799 9423869 11702167 36720593 81915169 152128171 1064897197