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149302185 = 359953479
BaseRepresentation
bin10001110011000…
…10101110101001
3101101221100002120
420321202232221
5301210132220
622452021453
73462022224
oct1071425651
9341840076
10149302185
1177305a3a
1242001889
1324c163b6
1415b865bb
15d192a40
hex8e62ba9

149302185 has 8 divisors (see below), whose sum is σ = 238883520. Its totient is φ = 79627824.

The previous prime is 149302183. The next prime is 149302187. The reversal of 149302185 is 581203941.

149302185 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (149302183) and next prime (149302187).

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

It is not a de Polignac number, because 149302185 - 21 = 149302183 is a prime.

It is a super-2 number, since 2×1493021852 = 44582284891548450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (149302183) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4976725 + ... + 4976754.

It is an arithmetic number, because the mean of its divisors is an integer number (29860440).

Almost surely, 2149302185 is an apocalyptic number.

149302185 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

149302185 is a deficient number, since it is larger than the sum of its proper divisors (89581335).

149302185 is an equidigital number, since it uses as much as digits as its factorization.

149302185 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9953487.

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 149302185 is about 12218.9273260790. The cubic root of 149302185 is about 530.5040712854.

The spelling of 149302185 in words is "one hundred forty-nine million, three hundred two thousand, one hundred eighty-five".

Divisors: 1 3 5 15 9953479 29860437 49767395 149302185