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29697057 = 3313196173
BaseRepresentation
bin111000101001…
…0010000100001
32001212202201000
41301102100201
530100301212
62540302213
7510264225
oct161222041
961782630
1029697057
1115843925
129b41969
1361ca130
143d30785
1529191dc
hex1c52421

29697057 has 64 divisors (see below), whose sum is σ = 51385600. Its totient is φ = 16796160.

The previous prime is 29697049. The next prime is 29697061. The reversal of 29697057 is 75079692.

It is not a de Polignac number, because 29697057 - 23 = 29697049 is a prime.

It is a super-2 number, since 2×296970572 = 1763830388922498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29697037) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 406773 + ... + 406845.

It is an arithmetic number, because the mean of its divisors is an integer number (802900).

Almost surely, 229697057 is an apocalyptic number.

29697057 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

29697057 is a deficient number, since it is larger than the sum of its proper divisors (21688543).

29697057 is a wasteful number, since it uses less digits than its factorization.

29697057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175 (or 169 counting only the distinct ones).

The product of its (nonzero) digits is 238140, while the sum is 45.

The square root of 29697057 is about 5449.5006193228. The cubic root of 29697057 is about 309.6738053415.

The spelling of 29697057 in words is "twenty-nine million, six hundred ninety-seven thousand, fifty-seven".

Divisors: 1 3 9 13 19 27 39 57 61 73 117 171 183 219 247 351 513 549 657 741 793 949 1159 1387 1647 1971 2223 2379 2847 3477 4161 4453 6669 7137 8541 10431 12483 13359 15067 18031 21411 25623 31293 37449 40077 45201 54093 57889 84607 120231 135603 162279 173667 253821 406809 486837 521001 761463 1099891 1563003 2284389 3299673 9899019 29697057