Search a number
-
+
4215029 = 72132509
BaseRepresentation
bin10000000101000011110101
321221010221012
4100011003311
52034340104
6230202005
750553500
oct20050365
97833835
104215029
1124198a5
1214b3305
13b47700
147ba137
15583d6e
hex4050f5

4215029 has 18 divisors (see below), whose sum is σ = 5319810. Its totient is φ = 3328416.

The previous prime is 4215023. The next prime is 4215041. The reversal of 4215029 is 9205124.

It can be written as a sum of positive squares in 3 ways, for example, as 122500 + 4092529 = 350^2 + 2023^2 .

It is not a de Polignac number, because 4215029 - 216 = 4149493 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4214995 and 4215013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4215023) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 8027 + ... + 8535.

It is an arithmetic number, because the mean of its divisors is an integer number (295545).

Almost surely, 24215029 is an apocalyptic number.

4215029 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

It is an amenable number.

4215029 is a deficient number, since it is larger than the sum of its proper divisors (1104781).

4215029 is a wasteful number, since it uses less digits than its factorization.

4215029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549 (or 529 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 4215029 is about 2053.0535794275. The cubic root of 4215029 is about 161.5350816957.

The spelling of 4215029 in words is "four million, two hundred fifteen thousand, twenty-nine".

Divisors: 1 7 13 49 91 169 509 637 1183 3563 6617 8281 24941 46319 86021 324233 602147 4215029