Search a number
-
+
34890625 = 5671129
BaseRepresentation
bin1000010100011…
…0001110000001
32102122121221101
42011012032001
532413000000
63243454401
7602364640
oct205061601
972577841
1034890625
1118770930
12b827401
1372c8053
1448c3357
1530e2e6a
hex2146381

34890625 has 56 divisors (see below), whose sum is σ = 56249280. Its totient is φ = 21000000.

The previous prime is 34890623. The next prime is 34890629. The reversal of 34890625 is 52609843.

It is not a de Polignac number, because 34890625 - 21 = 34890623 is a prime.

It is not an unprimeable number, because it can be changed into a prime (34890623) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 1203111 + ... + 1203139.

Almost surely, 234890625 is an apocalyptic number.

34890625 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

34890625 is a deficient number, since it is larger than the sum of its proper divisors (21358655).

34890625 is an frugal number, since it uses more digits than its factorization.

34890625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77 (or 52 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 34890625 is about 5906.8286753553. The cubic root of 34890625 is about 326.7655393940.

It can be divided in two parts, 3 and 4890625, that added together give a triangular number (4890628 = T3127).

The spelling of 34890625 in words is "thirty-four million, eight hundred ninety thousand, six hundred twenty-five".

Divisors: 1 5 7 11 25 29 35 55 77 125 145 175 203 275 319 385 625 725 875 1015 1375 1595 1925 2233 3125 3625 4375 5075 6875 7975 9625 11165 15625 18125 21875 25375 34375 39875 48125 55825 90625 109375 126875 171875 199375 240625 279125 453125 634375 996875 1203125 1395625 3171875 4984375 6978125 34890625