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29942955 = 3257195003
BaseRepresentation
bin111001000111…
…0010010101011
32002100021000100
41302032102223
530131133310
62545440443
7512340150
oct162162253
962307010
1029942955
11159a1649
12a040123
136285033
143d96227
152966ec0
hex1c8e4ab

29942955 has 48 divisors (see below), whose sum is σ = 62449920. Its totient is φ = 12965184.

The previous prime is 29942951. The next prime is 29942959. The reversal of 29942955 is 55924992.

It is an interprime number because it is at equal distance from previous prime (29942951) and next prime (29942959).

It is not a de Polignac number, because 29942955 - 22 = 29942951 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 29942955.

It is not an unprimeable number, because it can be changed into a prime (29942951) 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 47 ways as a sum of consecutive naturals, for example, 3484 + ... + 8486.

It is an arithmetic number, because the mean of its divisors is an integer number (1301040).

Almost surely, 229942955 is an apocalyptic number.

29942955 is an abundant number, since it is smaller than the sum of its proper divisors (32506965).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

29942955 is a wasteful number, since it uses less digits than its factorization.

29942955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5040 (or 5037 counting only the distinct ones).

The product of its digits is 291600, while the sum is 45.

The square root of 29942955 is about 5472.0156249777. The cubic root of 29942955 is about 310.5261788783.

The spelling of 29942955 in words is "twenty-nine million, nine hundred forty-two thousand, nine hundred fifty-five".

Divisors: 1 3 5 7 9 15 19 21 35 45 57 63 95 105 133 171 285 315 399 665 855 1197 1995 5003 5985 15009 25015 35021 45027 75045 95057 105063 175105 225135 285171 315189 475285 525315 665399 855513 1425855 1575945 1996197 3326995 4277565 5988591 9980985 29942955