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29963157 = 372317643
BaseRepresentation
bin111001001001…
…1001110010101
32002101021201120
41302103032111
530132310112
62550114153
7512453100
oct162231625
962337646
1029963157
1115a05844
12a04b959
1362912a3
143d9d737
15296ce8c
hex1c93395

29963157 has 24 divisors (see below), whose sum is σ = 46692576. Its totient is φ = 17041248.

The previous prime is 29963123. The next prime is 29963159. The reversal of 29963157 is 75136992.

It is not a de Polignac number, because 29963157 - 26 = 29963093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29963159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 46278 + ... + 46920.

It is an arithmetic number, because the mean of its divisors is an integer number (1945524).

Almost surely, 229963157 is an apocalyptic number.

It is an amenable number.

29963157 is a deficient number, since it is larger than the sum of its proper divisors (16729419).

29963157 is a wasteful number, since it uses less digits than its factorization.

29963157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 977 (or 970 counting only the distinct ones).

The product of its digits is 102060, while the sum is 42.

The square root of 29963157 is about 5473.8612514385. The cubic root of 29963157 is about 310.5959987471.

The spelling of 29963157 in words is "twenty-nine million, nine hundred sixty-three thousand, one hundred fifty-seven".

Divisors: 1 3 7 21 49 147 317 643 951 1929 2219 4501 6657 13503 15533 31507 46599 94521 203831 611493 1426817 4280451 9987719 29963157