Search a number
-
+
920707029 = 3211217411213
BaseRepresentation
bin110110111000001…
…101111111010101
32101011110202121100
4312320031333111
53341200111104
6231205540313
731546611024
oct6670157725
92334422540
10920707029
11432795900
12218414699
13118996878
148a3ca8bb
1555c6c139
hex36e0dfd5

920707029 has 72 divisors (see below), whose sum is σ = 1586848536. Its totient is φ = 511948800.

The previous prime is 920707019. The next prime is 920707031.

920707029 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 4 ways, for example, as 980100 + 919726929 = 990^2 + 30327^2 .

It is not a de Polignac number, because 920707029 - 29 = 920706517 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 920706984 and 920707002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (920707019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 758427 + ... + 759639.

It is an arithmetic number, because the mean of its divisors is an integer number (22039563).

Almost surely, 2920707029 is an apocalyptic number.

920707029 is a gapful number since it is divisible by the number (99) formed by its first and last digit.

It is an amenable number.

920707029 is a deficient number, since it is larger than the sum of its proper divisors (666141507).

920707029 is a wasteful number, since it uses less digits than its factorization.

920707029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1299 (or 1285 counting only the distinct ones).

The product of its (nonzero) digits is 15876, while the sum is 36.

The square root of 920707029 is about 30343.1545657336. The cubic root of 920707029 is about 972.8379104310.

It can be divided in two parts, 92070 and 7029, that added together give a palindrome (99099).

The spelling of 920707029 in words is "nine hundred twenty million, seven hundred seven thousand, twenty-nine".

Divisors: 1 3 9 11 17 33 41 51 99 121 123 153 187 363 369 451 561 697 1089 1213 1353 1683 2057 2091 3639 4059 4961 6171 6273 7667 10917 13343 14883 18513 20621 23001 40029 44649 49733 61863 69003 84337 120087 146773 149199 185589 226831 253011 440319 447597 547063 680493 759033 845461 1320957 1641189 2041479 2495141 2536383 4923567 6017693 7485423 7609149 9300071 18053079 22456269 27900213 54159237 83700639 102300781 306902343 920707029