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149120774 = 2116778217
BaseRepresentation
bin10001110001101…
…10011100000110
3101101121010020122
420320312130012
5301133331044
622444101542
73460335305
oct1070663406
9341533218
10149120774
11771a1710
1241b348b2
1324b8195a
1415b3a43c
15d158dee
hex8e36706

149120774 has 8 divisors (see below), whose sum is σ = 244015848. Its totient is φ = 67782160.

The previous prime is 149120771. The next prime is 149120779. The reversal of 149120774 is 477021941.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149120771) 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 in 3 ways as a sum of consecutive naturals, for example, 3389087 + ... + 3389130.

It is an arithmetic number, because the mean of its divisors is an integer number (30501981).

Almost surely, 2149120774 is an apocalyptic number.

149120774 is a deficient number, since it is larger than the sum of its proper divisors (94895074).

149120774 is a wasteful number, since it uses less digits than its factorization.

149120774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6778230.

The product of its (nonzero) digits is 14112, while the sum is 35.

The square root of 149120774 is about 12211.5017094541. The cubic root of 149120774 is about 530.2891195770.

The spelling of 149120774 in words is "one hundred forty-nine million, one hundred twenty thousand, seven hundred seventy-four".

Divisors: 1 2 11 22 6778217 13556434 74560387 149120774