Search a number
-
+
29942942 = 259325247
BaseRepresentation
bin111001000111…
…0010010011110
32002100020222212
41302032102132
530131133232
62545440422
7512340131
oct162162236
962306885
1029942942
11159a1637
12a040112
136285023
143d96218
152966eb2
hex1c8e49e

29942942 has 8 divisors (see below), whose sum is σ = 44991936. Its totient is φ = 14945632.

The previous prime is 29942929. The next prime is 29942947. The reversal of 29942942 is 24924992.

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

It is a self number, because there is not a number n which added to its sum of digits gives 29942942.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29942947) 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 3 ways as a sum of consecutive naturals, for example, 11438 + ... + 13809.

It is an arithmetic number, because the mean of its divisors is an integer number (5623992).

Almost surely, 229942942 is an apocalyptic number.

29942942 is a deficient number, since it is larger than the sum of its proper divisors (15048994).

29942942 is a wasteful number, since it uses less digits than its factorization.

29942942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25842.

The product of its digits is 93312, while the sum is 41.

The square root of 29942942 is about 5472.0144371155. The cubic root of 29942942 is about 310.5261339390.

The spelling of 29942942 in words is "twenty-nine million, nine hundred forty-two thousand, nine hundred forty-two".

Divisors: 1 2 593 1186 25247 50494 14971471 29942942