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149435012 = 22188919777
BaseRepresentation
bin10001110100000…
…11001010000100
3101102012002022002
420322003022010
5301223410022
622454524432
73463114406
oct1072031204
9342162262
10149435012
1177396811
1242066718
1324c619ac
1415bbcb76
15d1bc092
hex8e83284

149435012 has 12 divisors (see below), whose sum is σ = 261662940. Its totient is φ = 74674176.

The previous prime is 149435003. The next prime is 149435017. The reversal of 149435012 is 210534941.

It can be written as a sum of positive squares in 2 ways, for example, as 70829056 + 78605956 = 8416^2 + 8866^2 .

It is a super-2 number, since 2×1494350122 = 44661645622880288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (149435017) 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, 2333 + ... + 17444.

It is an arithmetic number, because the mean of its divisors is an integer number (21805245).

Almost surely, 2149435012 is an apocalyptic number.

It is an amenable number.

149435012 is a deficient number, since it is larger than the sum of its proper divisors (112227928).

149435012 is a wasteful number, since it uses less digits than its factorization.

149435012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21670 (or 21668 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 149435012 is about 12224.3614148143. The cubic root of 149435012 is about 530.6613460055.

Adding to 149435012 its reverse (210534941), we get a palindrome (359969953).

The spelling of 149435012 in words is "one hundred forty-nine million, four hundred thirty-five thousand, twelve".

Divisors: 1 2 4 1889 3778 7556 19777 39554 79108 37358753 74717506 149435012