Search a number
-
+
149680202 = 2721527349
BaseRepresentation
bin10001110101111…
…11000001001010
3101102122112122012
420322333001022
5301304231302
622504055522
73465155300
oct1072770112
9342575565
10149680202
1177543a51
12421645a2
1325019489
1415c44270
15d219a52
hex8ebf04a

149680202 has 12 divisors (see below), whose sum is σ = 261176850. Its totient is φ = 64148616.

The previous prime is 149680199. The next prime is 149680213. The reversal of 149680202 is 202086941.

149680202 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 127486681 + 22193521 = 11291^2 + 4711^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 763577 + ... + 763772.

Almost surely, 2149680202 is an apocalyptic number.

149680202 is a deficient number, since it is larger than the sum of its proper divisors (111496648).

149680202 is a wasteful number, since it uses less digits than its factorization.

149680202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1527365 (or 1527358 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 149680202 is about 12234.3860491649. The cubic root of 149680202 is about 530.9514202799.

The spelling of 149680202 in words is "one hundred forty-nine million, six hundred eighty thousand, two hundred two".

Divisors: 1 2 7 14 49 98 1527349 3054698 10691443 21382886 74840101 149680202