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761494668 = 2231117439773
BaseRepresentation
bin101101011000110…
…111110010001100
31222001212221022020
4231120313302030
53024420312133
6203321250140
724604412034
oct5530676214
91861787266
10761494668
11360931240
12193033950
13c19c077c
14731c48c4
1546cbd0b3
hex2d637c8c

761494668 has 96 divisors (see below), whose sum is σ = 2059706880. Its totient is φ = 216407040.

The previous prime is 761494663. The next prime is 761494687. The reversal of 761494668 is 866494167.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a self number, because there is not a number n which added to its sum of digits gives 761494668.

It is not an unprimeable number, because it can be changed into a prime (761494663) 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, 984730 + ... + 985502.

It is an arithmetic number, because the mean of its divisors is an integer number (21455280).

Almost surely, 2761494668 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 761494668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1029853440).

761494668 is an abundant number, since it is smaller than the sum of its proper divisors (1298212212).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

761494668 is a wasteful number, since it uses less digits than its factorization.

761494668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1247 (or 1245 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 51.

The square root of 761494668 is about 27595.1928422325. The cubic root of 761494668 is about 913.1783830884.

The spelling of 761494668 in words is "seven hundred sixty-one million, four hundred ninety-four thousand, six hundred sixty-eight".

Divisors: 1 2 3 4 6 11 12 17 22 33 34 44 51 66 68 102 132 187 204 374 439 561 748 773 878 1122 1317 1546 1756 2244 2319 2634 3092 4638 4829 5268 7463 8503 9276 9658 13141 14487 14926 17006 19316 22389 25509 26282 28974 29852 34012 39423 44778 51018 52564 57948 78846 82093 89556 102036 144551 157692 164186 246279 289102 328372 339347 433653 492558 578204 678694 867306 985116 1018041 1357388 1734612 2036082 3732817 4072164 5768899 7465634 11198451 11537798 14931268 17306697 22396902 23075596 34613394 44793804 63457889 69226788 126915778 190373667 253831556 380747334 761494668