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29152985 = 511814937
BaseRepresentation
bin110111100110…
…1011011011001
32000212010101012
41233031123121
524430343420
62520503305
7502540061
oct157153331
960763335
1029152985
1115502084
12991ab35
1360695b4
143c2c3a1
15285cdc5
hex1bcd6d9

29152985 has 8 divisors (see below), whose sum is σ = 35020296. Its totient is φ = 23297920.

The previous prime is 29152979. The next prime is 29152993. The reversal of 29152985 is 58925192.

It can be written as a sum of positive squares in 4 ways, for example, as 7595536 + 21557449 = 2756^2 + 4643^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 29152985 - 24 = 29152969 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3437 + ... + 8373.

It is an arithmetic number, because the mean of its divisors is an integer number (4377537).

Almost surely, 229152985 is an apocalyptic number.

It is an amenable number.

29152985 is a deficient number, since it is larger than the sum of its proper divisors (5867311).

29152985 is a wasteful number, since it uses less digits than its factorization.

29152985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6123.

The product of its digits is 64800, while the sum is 41.

The square root of 29152985 is about 5399.3504238936. The cubic root of 29152985 is about 307.7709863621.

The spelling of 29152985 in words is "twenty-nine million, one hundred fifty-two thousand, nine hundred eighty-five".

Divisors: 1 5 1181 4937 5905 24685 5830597 29152985