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29869152 = 253311137
BaseRepresentation
bin111000111110…
…0010001100000
32002012111202220
41301330101200
530121303102
62544111040
7511612035
oct161742140
962174686
1029869152
1115951155
12a005480
13625a571
143d7738c
1529501bc
hex1c7c460

29869152 has 24 divisors (see below), whose sum is σ = 78406776. Its totient is φ = 9956352.

The previous prime is 29869117. The next prime is 29869181. The reversal of 29869152 is 25196892.

It is a tau number, because it is divible by the number of its divisors (24).

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, 155473 + ... + 155664.

It is an arithmetic number, because the mean of its divisors is an integer number (3266949).

Almost surely, 229869152 is an apocalyptic number.

It is an amenable number.

29869152 is an abundant number, since it is smaller than the sum of its proper divisors (48537624).

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

29869152 is a wasteful number, since it uses less digits than its factorization.

29869152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311150 (or 311142 counting only the distinct ones).

The product of its digits is 77760, while the sum is 42.

The square root of 29869152 is about 5465.2677884986. The cubic root of 29869152 is about 310.2708420382.

The spelling of 29869152 in words is "twenty-nine million, eight hundred sixty-nine thousand, one hundred fifty-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 311137 622274 933411 1244548 1866822 2489096 3733644 4978192 7467288 9956384 14934576 29869152