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29888157 = 3132167353
BaseRepresentation
bin111001000000…
…0111010011101
32002020110211210
41302000322131
530122410112
62544335033
7512021325
oct162007235
962213753
1029888157
1115964462
12a014479
136266100
143d80285
152955b3c
hex1c80e9d

29888157 has 24 divisors (see below), whose sum is σ = 43533504. Its totient is φ = 18230784.

The previous prime is 29888147. The next prime is 29888179. The reversal of 29888157 is 75188892.

It is not a de Polignac number, because 29888157 - 24 = 29888141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29888107) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 84493 + ... + 84845.

It is an arithmetic number, because the mean of its divisors is an integer number (1813896).

Almost surely, 229888157 is an apocalyptic number.

It is an amenable number.

29888157 is a deficient number, since it is larger than the sum of its proper divisors (13645347).

29888157 is a wasteful number, since it uses less digits than its factorization.

29888157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 549 (or 536 counting only the distinct ones).

The product of its digits is 322560, while the sum is 48.

The square root of 29888157 is about 5467.0062191294. The cubic root of 29888157 is about 310.3366339646.

The spelling of 29888157 in words is "twenty-nine million, eight hundred eighty-eight thousand, one hundred fifty-seven".

Divisors: 1 3 13 39 167 169 353 501 507 1059 2171 4589 6513 13767 28223 58951 59657 84669 176853 178971 766363 2299089 9962719 29888157