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29047992 = 2333139043
BaseRepresentation
bin110111011001…
…1110010111000
32000122210100120
41232303302320
524414013432
62514333240
7501622011
oct156636270
960583316
1029047992
1115440206
12988a220
13603087c
143c02008
15283bc2c
hex1bb3cb8

29047992 has 32 divisors (see below), whose sum is σ = 74964480. Its totient is φ = 9370080.

The previous prime is 29047987. The next prime is 29047999. The reversal of 29047992 is 29974092.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29047999) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18778 + ... + 20265.

It is an arithmetic number, because the mean of its divisors is an integer number (2342640).

Almost surely, 229047992 is an apocalyptic number.

It is an amenable number.

29047992 is an abundant number, since it is smaller than the sum of its proper divisors (45916488).

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

29047992 is a wasteful number, since it uses less digits than its factorization.

29047992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39083 (or 39079 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 42.

The square root of 29047992 is about 5389.6189104611. The cubic root of 29047992 is about 307.4010680485.

The spelling of 29047992 in words is "twenty-nine million, forty-seven thousand, nine hundred ninety-two".

Divisors: 1 2 3 4 6 8 12 24 31 62 93 124 186 248 372 744 39043 78086 117129 156172 234258 312344 468516 937032 1210333 2420666 3630999 4841332 7261998 9682664 14523996 29047992