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29890684 = 2247158993
BaseRepresentation
bin111001000000…
…1100001111100
32002020121022101
41302001201330
530123000214
62544354444
7512031565
oct162014174
962217271
1029890684
111596634a
12a015a24
1362672c5
143d8116c
152956774
hex1c8187c

29890684 has 12 divisors (see below), whose sum is σ = 53421984. Its totient is φ = 14627264.

The previous prime is 29890669. The next prime is 29890691. The reversal of 29890684 is 48609892.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79309 + ... + 79684.

It is an arithmetic number, because the mean of its divisors is an integer number (4451832).

Almost surely, 229890684 is an apocalyptic number.

It is an amenable number.

29890684 is a deficient number, since it is larger than the sum of its proper divisors (23531300).

29890684 is a wasteful number, since it uses less digits than its factorization.

29890684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159044 (or 159042 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 46.

The square root of 29890684 is about 5467.2373279381. The cubic root of 29890684 is about 310.3453798878.

The spelling of 29890684 in words is "twenty-nine million, eight hundred ninety thousand, six hundred eighty-four".

Divisors: 1 2 4 47 94 188 158993 317986 635972 7472671 14945342 29890684