Search a number
-
+
770835420 = 223351783969
BaseRepresentation
bin101101111100100…
…000001111011100
31222201110111102000
4231330200033130
53034313213140
6204253402300
725046664405
oct5574401734
91881414360
10770835420
11366131073
12196199390
13c3911244
14745369ac
1547a15a30
hex2df203dc

770835420 has 96 divisors (see below), whose sum is σ = 2539252800. Its totient is φ = 193462272.

The previous prime is 770835419. The next prime is 770835421. The reversal of 770835420 is 24538077.

It is an interprime number because it is at equal distance from previous prime (770835419) and next prime (770835421).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (770835421) 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, 32805 + ... + 51164.

It is an arithmetic number, because the mean of its divisors is an integer number (26450550).

Almost surely, 2770835420 is an apocalyptic number.

It is an amenable number.

770835420 is an abundant number, since it is smaller than the sum of its proper divisors (1768417380).

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

770835420 is a wasteful number, since it uses less digits than its factorization.

770835420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84004 (or 83996 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 36.

The square root of 770835420 is about 27763.9229936981. The cubic root of 770835420 is about 916.8970049628.

The spelling of 770835420 in words is "seven hundred seventy million, eight hundred thirty-five thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 9 10 12 15 17 18 20 27 30 34 36 45 51 54 60 68 85 90 102 108 135 153 170 180 204 255 270 306 340 459 510 540 612 765 918 1020 1530 1836 2295 3060 4590 9180 83969 167938 251907 335876 419845 503814 755721 839690 1007628 1259535 1427473 1511442 1679380 2267163 2519070 2854946 3022884 3778605 4282419 4534326 5038140 5709892 7137365 7557210 8564838 9068652 11335815 12847257 14274730 15114420 17129676 21412095 22671630 25694514 28549460 38541771 42824190 45343260 51389028 64236285 77083542 85648380 128472570 154167084 192708855 256945140 385417710 770835420