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29749042 = 214999829
BaseRepresentation
bin111000101111…
…0111100110010
32001222102000101
41301132330302
530103432132
62541343014
7510601621
oct161367462
961872011
1029749042
1115879994
129b67a6a
1362179ab
143d456b8
1529297e7
hex1c5ef32

29749042 has 8 divisors (see below), whose sum is σ = 44923500. Its totient is φ = 14774544.

The previous prime is 29749037. The next prime is 29749081. The reversal of 29749042 is 24094792.

It can be written as a sum of positive squares in 2 ways, for example, as 28955161 + 793881 = 5381^2 + 891^2 .

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

It is a pancake number, because a pancake can be divided into 29749042 parts by 7713 straight cuts.

It is a junction number, because it is equal to n+sod(n) for n = 29748992 and 29749010.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49617 + ... + 50212.

Almost surely, 229749042 is an apocalyptic number.

29749042 is a deficient number, since it is larger than the sum of its proper divisors (15174458).

29749042 is a wasteful number, since it uses less digits than its factorization.

29749042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99980.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 29749042 is about 5454.2682368948. The cubic root of 29749042 is about 309.8543957216.

The spelling of 29749042 in words is "twenty-nine million, seven hundred forty-nine thousand, forty-two".

Divisors: 1 2 149 298 99829 199658 14874521 29749042