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29045661 = 319509573
BaseRepresentation
bin110111011001…
…1001110011101
32000122200011020
41232303032131
524413430121
62514314353
7501612141
oct156631635
960580136
1029045661
1115439487
1298889b9
13602c7a8
143c01221
15283b1c6
hex1bb339d

29045661 has 8 divisors (see below), whose sum is σ = 40765920. Its totient is φ = 18344592.

The previous prime is 29045659. The next prime is 29045663. The reversal of 29045661 is 16654092.

It is an interprime number because it is at equal distance from previous prime (29045659) and next prime (29045663).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 29045661 - 21 = 29045659 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29045663) 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, 254730 + ... + 254843.

It is an arithmetic number, because the mean of its divisors is an integer number (5095740).

Almost surely, 229045661 is an apocalyptic number.

It is an amenable number.

29045661 is a deficient number, since it is larger than the sum of its proper divisors (11720259).

29045661 is a wasteful number, since it uses less digits than its factorization.

29045661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 509595.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 29045661 is about 5389.4026570669. The cubic root of 29045661 is about 307.3928452075.

The spelling of 29045661 in words is "twenty-nine million, forty-five thousand, six hundred sixty-one".

Divisors: 1 3 19 57 509573 1528719 9681887 29045661