Search a number
-
+
105661732 = 221117294871
BaseRepresentation
bin1100100110001…
…00010100100100
321100211011122111
412103010110210
5204022133412
614252410404
72422052461
oct623042444
9240734574
10105661732
1154709250
122b476a04
1318b76847
1410066668
1594222a7
hex64c4524

105661732 has 48 divisors (see below), whose sum is σ = 220993920. Its totient is φ = 43635200.

The previous prime is 105661723. The next prime is 105661741. The reversal of 105661732 is 237166501.

It is an interprime number because it is at equal distance from previous prime (105661723) and next prime (105661741).

It is a super-2 number, since 2×1056617322 = 22328803218479648, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105661694 and 105661703.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19257 + ... + 24127.

It is an arithmetic number, because the mean of its divisors is an integer number (4604040).

Almost surely, 2105661732 is an apocalyptic number.

It is an amenable number.

105661732 is an abundant number, since it is smaller than the sum of its proper divisors (115332188).

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

105661732 is a wasteful number, since it uses less digits than its factorization.

105661732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4932 (or 4930 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 105661732 is about 10279.1892676417. The cubic root of 105661732 is about 472.7583865257.

The spelling of 105661732 in words is "one hundred five million, six hundred sixty-one thousand, seven hundred thirty-two".

Divisors: 1 2 4 11 17 22 29 34 44 58 68 116 187 319 374 493 638 748 986 1276 1972 4871 5423 9742 10846 19484 21692 53581 82807 107162 141259 165614 214324 282518 331228 565036 910877 1553849 1821754 2401403 3107698 3643508 4802806 6215396 9605612 26415433 52830866 105661732