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133350042 = 2373175001
BaseRepresentation
bin1111111001011…
…00001010011010
3100021220212212110
413330230022122
5233114200132
621122053150
73206312430
oct774541232
9307825773
10133350042
11692aa951
12387aa1b6
132181c567
14139d2d50
15ba911cc
hex7f2c29a

133350042 has 16 divisors (see below), whose sum is σ = 304800192. Its totient is φ = 38100000.

The previous prime is 133350029. The next prime is 133350047. The reversal of 133350042 is 240053331.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (133350047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1587459 + ... + 1587542.

It is an arithmetic number, because the mean of its divisors is an integer number (19050012).

Almost surely, 2133350042 is an apocalyptic number.

133350042 is an abundant number, since it is smaller than the sum of its proper divisors (171450150).

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

133350042 is a wasteful number, since it uses less digits than its factorization.

133350042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3175013.

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 133350042 is about 11547.7288676172. The cubic root of 133350042 is about 510.8942940525.

The spelling of 133350042 in words is "one hundred thirty-three million, three hundred fifty thousand, forty-two".

Divisors: 1 2 3 6 7 14 21 42 3175001 6350002 9525003 19050006 22225007 44450014 66675021 133350042