Search a number
-
+
1077131745 = 325235032069
BaseRepresentation
bin100000000110011…
…1011100111100001
32210001210221222100
41000030323213201
54201221203440
6254514401013
735456316534
oct10014734741
92701727870
101077131745
11503016028
12260890169
13142204b81
14a30a8a1b
156486a230
hex4033b9e1

1077131745 has 48 divisors (see below), whose sum is σ = 1953020160. Its totient is φ = 548135808.

The previous prime is 1077131687. The next prime is 1077131761. The reversal of 1077131745 is 5471317701.

It is not a de Polignac number, because 1077131745 - 27 = 1077131617 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 519571 + ... + 521639.

It is an arithmetic number, because the mean of its divisors is an integer number (40687920).

Almost surely, 21077131745 is an apocalyptic number.

1077131745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1077131745 is a deficient number, since it is larger than the sum of its proper divisors (875888415).

1077131745 is a wasteful number, since it uses less digits than its factorization.

1077131745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2606 (or 2603 counting only the distinct ones).

The product of its (nonzero) digits is 20580, while the sum is 36.

The square root of 1077131745 is about 32819.6853275591. The cubic root of 1077131745 is about 1025.0764947869.

The spelling of 1077131745 in words is "one billion, seventy-seven million, one hundred thirty-one thousand, seven hundred forty-five".

Divisors: 1 3 5 9 15 23 45 69 115 207 345 503 1035 1509 2069 2515 4527 6207 7545 10345 11569 18621 22635 31035 34707 47587 57845 93105 104121 142761 173535 237935 428283 520605 713805 1040707 2141415 3122121 5203535 9366363 15610605 23936261 46831815 71808783 119681305 215426349 359043915 1077131745