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149703570 = 23251663373
BaseRepresentation
bin10001110110001…
…00101110010010
3101102200201200200
420323010232102
5301311003240
622504400030
73465313362
oct1073045622
9342621620
10149703570
117755a565
1242176016
1325026cc3
1415c4c9a2
15d221930
hex8ec4b92

149703570 has 24 divisors (see below), whose sum is σ = 389229516. Its totient is φ = 39920928.

The previous prime is 149703569. The next prime is 149703583. The reversal of 149703570 is 75307941.

It is a happy number.

149703570 is a `hidden beast` number, since 14 + 9 + 70 + 3 + 570 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 143784081 + 5919489 = 11991^2 + 2433^2 .

It is a super-2 number, since 2×1497035702 = 44822317741489800, which contains 22 as substring.

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 11 ways as a sum of consecutive naturals, for example, 831597 + ... + 831776.

Almost surely, 2149703570 is an apocalyptic number.

149703570 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

149703570 is an abundant number, since it is smaller than the sum of its proper divisors (239525946).

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

149703570 is a wasteful number, since it uses less digits than its factorization.

149703570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1663386 (or 1663383 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 36.

The square root of 149703570 is about 12235.3410250798. The cubic root of 149703570 is about 530.9790494676.

The spelling of 149703570 in words is "one hundred forty-nine million, seven hundred three thousand, five hundred seventy".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 1663373 3326746 4990119 8316865 9980238 14970357 16633730 24950595 29940714 49901190 74851785 149703570