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149740705 = 543968219
BaseRepresentation
bin10001110110011…
…01110010100001
3101102202121122001
420323031302201
5301313200310
622505244001
73465526552
oct1073156241
9342677561
10149740705
1177585454
1242193601
132503ab8a
1415c5c329
15d22c93a
hex8ecdca1

149740705 has 8 divisors (see below), whose sum is σ = 180100800. Its totient is φ = 119517936.

The previous prime is 149740699. The next prime is 149740711. The reversal of 149740705 is 507047941.

149740705 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 (149740699) and next prime (149740711).

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

It is a cyclic number.

It is not a de Polignac number, because 149740705 - 23 = 149740697 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31915 + ... + 36304.

It is an arithmetic number, because the mean of its divisors is an integer number (22512600).

Almost surely, 2149740705 is an apocalyptic number.

It is an amenable number.

149740705 is a deficient number, since it is larger than the sum of its proper divisors (30360095).

149740705 is an equidigital number, since it uses as much as digits as its factorization.

149740705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68663.

The product of its (nonzero) digits is 35280, while the sum is 37.

The square root of 149740705 is about 12236.8584612228. The cubic root of 149740705 is about 531.0229501727.

The spelling of 149740705 in words is "one hundred forty-nine million, seven hundred forty thousand, seven hundred five".

Divisors: 1 5 439 2195 68219 341095 29948141 149740705