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149412742 = 285986969
BaseRepresentation
bin10001110011111…
…01101110000110
3101102010221202021
420321331232012
5301222201432
622454233354
73462662443
oct1071755606
9342127667
10149412742
1177381006
124205585a
1324c5480b
1415bb49ca
15d1b5697
hex8e7db86

149412742 has 8 divisors (see below), whose sum is σ = 224382600. Its totient is φ = 74618544.

The previous prime is 149412719. The next prime is 149412749. The reversal of 149412742 is 247214941.

It is a happy number.

149412742 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 149412698 and 149412707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149412749) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41767 + ... + 45202.

It is an arithmetic number, because the mean of its divisors is an integer number (28047825).

Almost surely, 2149412742 is an apocalyptic number.

149412742 is a deficient number, since it is larger than the sum of its proper divisors (74969858).

149412742 is an equidigital number, since it uses as much as digits as its factorization.

149412742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87830.

The product of its digits is 16128, while the sum is 34.

The square root of 149412742 is about 12223.4504948480. The cubic root of 149412742 is about 530.6349835640.

The spelling of 149412742 in words is "one hundred forty-nine million, four hundred twelve thousand, seven hundred forty-two".

Divisors: 1 2 859 1718 86969 173938 74706371 149412742