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29400157 = 174142181
BaseRepresentation
bin111000000100…
…1110001011101
32001022200102201
41300021301131
530011301112
62530051501
7504616513
oct160116135
961280381
1029400157
1115660856
129a19b91
136124c57
143c944b3
1528ab257
hex1c09c5d

29400157 has 8 divisors (see below), whose sum is σ = 31889592. Its totient is φ = 26995200.

The previous prime is 29400149. The next prime is 29400169. The reversal of 29400157 is 75100492.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 34596 + 29365561 = 186^2 + 5419^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 29400157 - 23 = 29400149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29400127) 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, 20394 + ... + 21787.

It is an arithmetic number, because the mean of its divisors is an integer number (3986199).

Almost surely, 229400157 is an apocalyptic number.

It is an amenable number.

29400157 is a deficient number, since it is larger than the sum of its proper divisors (2489435).

29400157 is a wasteful number, since it uses less digits than its factorization.

29400157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42239.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 29400157 is about 5422.1911622517. The cubic root of 29400157 is about 308.6383462042.

The spelling of 29400157 in words is "twenty-nine million, four hundred thousand, one hundred fifty-seven".

Divisors: 1 17 41 697 42181 717077 1729421 29400157