Search a number
-
+
29538290 = 256744087
BaseRepresentation
bin111000010101…
…1011111110010
32001120200220202
41300223133302
530030211130
62533035202
7506033315
oct160533762
961520822
1029538290
1115745611
129a85b02
136172aa2
143ccc97c
1528d7145
hex1c2b7f2

29538290 has 16 divisors (see below), whose sum is σ = 53963712. Its totient is φ = 11638704.

The previous prime is 29538283. The next prime is 29538307. The reversal of 29538290 is 9283592.

It is a super-2 number, since 2×295382902 = 1745021152248200, which contains 22 as substring.

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, 21374 + ... + 22713.

It is an arithmetic number, because the mean of its divisors is an integer number (3372732).

Almost surely, 229538290 is an apocalyptic number.

29538290 is a deficient number, since it is larger than the sum of its proper divisors (24425422).

29538290 is a wasteful number, since it uses less digits than its factorization.

29538290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44161.

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 29538290 is about 5434.9139827600. The cubic root of 29538290 is about 309.1209575223.

The spelling of 29538290 in words is "twenty-nine million, five hundred thirty-eight thousand, two hundred ninety".

Divisors: 1 2 5 10 67 134 335 670 44087 88174 220435 440870 2953829 5907658 14769145 29538290