Search a number
-
+
29910380 = 2258591741
BaseRepresentation
bin111001000011…
…0010101101100
32002021121022212
41302012111230
530124113010
62545025552
7512143163
oct162062554
962247285
1029910380
111597a125
12a0252b8
136273266
143d883da
15295c505
hex1c8656c

29910380 has 24 divisors (see below), whose sum is σ = 62921040. Its totient is φ = 11943360.

The previous prime is 29910371. The next prime is 29910421. The reversal of 29910380 is 8301992.

It is a congruent 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, 16310 + ... + 18050.

It is an arithmetic number, because the mean of its divisors is an integer number (2621710).

Almost surely, 229910380 is an apocalyptic number.

29910380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29910380 is an abundant number, since it is smaller than the sum of its proper divisors (33010660).

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

29910380 is a wasteful number, since it uses less digits than its factorization.

29910380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2609 (or 2607 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 29910380 is about 5469.0383066861. The cubic root of 29910380 is about 310.4135306701.

The spelling of 29910380 in words is "twenty-nine million, nine hundred ten thousand, three hundred eighty".

Divisors: 1 2 4 5 10 20 859 1718 1741 3436 3482 4295 6964 8590 8705 17180 17410 34820 1495519 2991038 5982076 7477595 14955190 29910380