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29956960 = 2551117021
BaseRepresentation
bin111001001000…
…1101101100000
32002100222020001
41302101231200
530132110320
62550025344
7512426035
oct162215540
962328201
1029956960
1115a01120
12a048254
13628b517
143d9b38c
15296b20a
hex1c91b60

29956960 has 48 divisors (see below), whose sum is σ = 77211792. Its totient is φ = 10892800.

The previous prime is 29956957. The next prime is 29956981. The reversal of 29956960 is 6965992.

It is a self number, because there is not a number n which added to its sum of digits gives 29956960.

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 7 ways as a sum of consecutive naturals, for example, 6751 + ... + 10270.

It is an arithmetic number, because the mean of its divisors is an integer number (1608579).

Almost surely, 229956960 is an apocalyptic number.

29956960 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29956960 is an abundant number, since it is smaller than the sum of its proper divisors (47254832).

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

29956960 is a wasteful number, since it uses less digits than its factorization.

29956960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17047 (or 17039 counting only the distinct ones).

The product of its (nonzero) digits is 262440, while the sum is 46.

The square root of 29956960 is about 5473.2951683606. The cubic root of 29956960 is about 310.5745847140.

The spelling of 29956960 in words is "twenty-nine million, nine hundred fifty-six thousand, nine hundred sixty".

Divisors: 1 2 4 5 8 10 11 16 20 22 32 40 44 55 80 88 110 160 176 220 352 440 880 1760 17021 34042 68084 85105 136168 170210 187231 272336 340420 374462 544672 680840 748924 936155 1361680 1497848 1872310 2723360 2995696 3744620 5991392 7489240 14978480 29956960