Search a number
-
+
29938875 = 353292753
BaseRepresentation
bin111001000110…
…1010010111011
32002100001102020
41302031102323
530131021000
62545405523
7512322231
oct162152273
962301366
1029938875
111599957a
12a0398a3
136283215
143d94951
152965ba0
hex1c8d4bb

29938875 has 32 divisors (see below), whose sum is σ = 51554880. Its totient is φ = 15411200.

The previous prime is 29938873. The next prime is 29938877. The reversal of 29938875 is 57883992.

It is an interprime number because it is at equal distance from previous prime (29938873) and next prime (29938877).

It is not a de Polignac number, because 29938875 - 21 = 29938873 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29938873) 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, 9499 + ... + 12251.

It is an arithmetic number, because the mean of its divisors is an integer number (1611090).

Almost surely, 229938875 is an apocalyptic number.

29938875 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

29938875 is a deficient number, since it is larger than the sum of its proper divisors (21616005).

29938875 is a wasteful number, since it uses less digits than its factorization.

29938875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2800 (or 2790 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 51.

The square root of 29938875 is about 5471.6428063243. The cubic root of 29938875 is about 310.5120742321.

The spelling of 29938875 in words is "twenty-nine million, nine hundred thirty-eight thousand, eight hundred seventy-five".

Divisors: 1 3 5 15 25 29 75 87 125 145 375 435 725 2175 2753 3625 8259 10875 13765 41295 68825 79837 206475 239511 344125 399185 1032375 1197555 1995925 5987775 9979625 29938875