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29378690 = 25111032593
BaseRepresentation
bin111000000010…
…0100010000010
32001021120222122
41300010202002
530010104230
62525404242
7504500105
oct160044202
961246878
1029378690
1115646710
129a09682
136118253
143c8a73c
1528a4be5
hex1c04882

29378690 has 32 divisors (see below), whose sum is σ = 58271616. Its totient is φ = 10575360.

The previous prime is 29378677. The next prime is 29378719. The reversal of 29378690 is 9687392.

It is a super-2 number, since 2×293786902 = 1726214852232200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10034 + ... + 12626.

It is an arithmetic number, because the mean of its divisors is an integer number (1820988).

Almost surely, 229378690 is an apocalyptic number.

29378690 is a deficient number, since it is larger than the sum of its proper divisors (28892926).

29378690 is a wasteful number, since it uses less digits than its factorization.

29378690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2714.

The product of its (nonzero) digits is 163296, while the sum is 44.

The square root of 29378690 is about 5420.2112504957. The cubic root of 29378690 is about 308.5632088207.

The spelling of 29378690 in words is "twenty-nine million, three hundred seventy-eight thousand, six hundred ninety".

Divisors: 1 2 5 10 11 22 55 103 110 206 515 1030 1133 2266 2593 5186 5665 11330 12965 25930 28523 57046 142615 267079 285230 534158 1335395 2670790 2937869 5875738 14689345 29378690