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149730896 = 2471336883
BaseRepresentation
bin10001110110010…
…11011001010000
3101102202010011202
420323023121100
5301312342041
622505130332
73465456140
oct1073133120
9342663152
10149730896
1177579047
12421899a8
1325036583
1415c58920
15d229a9b
hex8ecb650

149730896 has 20 divisors (see below), whose sum is σ = 331547232. Its totient is φ = 64170336.

The previous prime is 149730881. The next prime is 149730901. The reversal of 149730896 is 698037941.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 149730896.

It is a congruent number.

It is an unprimeable number.

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, 668330 + ... + 668553.

Almost surely, 2149730896 is an apocalyptic number.

149730896 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

149730896 is an abundant number, since it is smaller than the sum of its proper divisors (181816336).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

149730896 is a wasteful number, since it uses less digits than its factorization.

149730896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1336898 (or 1336892 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 47.

The square root of 149730896 is about 12236.4576573451. The cubic root of 149730896 is about 531.0113547555.

The spelling of 149730896 in words is "one hundred forty-nine million, seven hundred thirty thousand, eight hundred ninety-six".

Divisors: 1 2 4 7 8 14 16 28 56 112 1336883 2673766 5347532 9358181 10695064 18716362 21390128 37432724 74865448 149730896