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29022057 = 34358297
BaseRepresentation
bin110111010110…
…1011101101001
32000121110210000
41232231131221
524412201212
62514013213
7501453261
oct156553551
960543700
1029022057
1115422779
129877209
136021b1c
143bd67a1
1528341dc
hex1bad769

29022057 has 10 divisors (see below), whose sum is σ = 43354058. Its totient is φ = 19347984.

The previous prime is 29022053. The next prime is 29022061. The reversal of 29022057 is 75022092.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (29022053) and next prime (29022061).

It can be written as a sum of positive squares in only one way, i.e., 27342441 + 1679616 = 5229^2 + 1296^2 .

It is not a de Polignac number, because 29022057 - 22 = 29022053 is a prime.

It is a super-3 number, since 3×290220573 (a number of 23 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 29022057.

It is not an unprimeable number, because it can be changed into a prime (29022053) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 179068 + ... + 179229.

Almost surely, 229022057 is an apocalyptic number.

29022057 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

29022057 is a deficient number, since it is larger than the sum of its proper divisors (14332001).

29022057 is an equidigital number, since it uses as much as digits as its factorization.

29022057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358309 (or 358300 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 29022057 is about 5387.2123589107. The cubic root of 29022057 is about 307.3095548891.

The spelling of 29022057 in words is "twenty-nine million, twenty-two thousand, fifty-seven".

Divisors: 1 3 9 27 81 358297 1074891 3224673 9674019 29022057