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149066674 = 274533337
BaseRepresentation
bin10001110001010…
…01001110110010
3101101111101000221
420320221032302
5301130113144
622443003254
73460021501
oct1070511662
9341441027
10149066674
1177164aa9
1241b0952a
1324b63143
1415b24838
15d147d84
hex8e293b2

149066674 has 4 divisors (see below), whose sum is σ = 223600014. Its totient is φ = 74533336.

The previous prime is 149066669. The next prime is 149066677. The reversal of 149066674 is 476660941.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 476660941 = 598078999.

It can be written as a sum of positive squares in only one way, i.e., 117874449 + 31192225 = 10857^2 + 5585^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 149066674.

It is not an unprimeable number, because it can be changed into a prime (149066677) 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 as a sum of consecutive naturals, namely, 37266667 + ... + 37266670.

Almost surely, 2149066674 is an apocalyptic number.

149066674 is a deficient number, since it is larger than the sum of its proper divisors (74533340).

149066674 is an equidigital number, since it uses as much as digits as its factorization.

149066674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74533339.

The product of its (nonzero) digits is 217728, while the sum is 43.

The square root of 149066674 is about 12209.2863837327. The cubic root of 149066674 is about 530.2249833947.

The spelling of 149066674 in words is "one hundred forty-nine million, sixty-six thousand, six hundred seventy-four".

Divisors: 1 2 74533337 149066674