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29941257 = 331321949
BaseRepresentation
bin111001000110…
…1111000001001
32002100011200110
41302031320021
530131110012
62545424533
7512332203
oct162157011
962304613
1029941257
11159a0345
12a03b149
136284328
143d95773
15296673c
hex1c8de09

29941257 has 8 divisors (see below), whose sum is σ = 41209600. Its totient is φ = 19316880.

The previous prime is 29941243. The next prime is 29941259. The reversal of 29941257 is 75214992.

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

It is not a de Polignac number, because 29941257 - 27 = 29941129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29941259) 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, 160882 + ... + 161067.

It is an arithmetic number, because the mean of its divisors is an integer number (5151200).

Almost surely, 229941257 is an apocalyptic number.

It is an amenable number.

29941257 is a deficient number, since it is larger than the sum of its proper divisors (11268343).

29941257 is a wasteful number, since it uses less digits than its factorization.

29941257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321983.

The product of its digits is 45360, while the sum is 39.

The square root of 29941257 is about 5471.8604697123. The cubic root of 29941257 is about 310.5203090121.

The spelling of 29941257 in words is "twenty-nine million, nine hundred forty-one thousand, two hundred fifty-seven".

Divisors: 1 3 31 93 321949 965847 9980419 29941257