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149346001 = 721335143
BaseRepresentation
bin10001110011011…
…01011011010001
3101102000120012101
420321231123101
5301213033001
622453000401
73462264040
oct1071553321
9342016171
10149346001
1177335952
1242023101
1324c3031c
1415b98557
15d1a0a01
hex8e6d6d1

149346001 has 4 divisors (see below), whose sum is σ = 170681152. Its totient is φ = 128010852.

The previous prime is 149345981. The next prime is 149346017. The reversal of 149346001 is 100643941.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 149346001 - 215 = 149313233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (149346091) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10667565 + ... + 10667578.

It is an arithmetic number, because the mean of its divisors is an integer number (42670288).

Almost surely, 2149346001 is an apocalyptic number.

It is an amenable number.

149346001 is a deficient number, since it is larger than the sum of its proper divisors (21335151).

149346001 is an equidigital number, since it uses as much as digits as its factorization.

149346001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21335150.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 149346001 is about 12220.7201506294. The cubic root of 149346001 is about 530.5559622270. Note that the first 3 decimals are identical.

Adding to 149346001 its reverse (100643941), we get a palindrome (249989942).

The spelling of 149346001 in words is "one hundred forty-nine million, three hundred forty-six thousand, one".

Divisors: 1 7 21335143 149346001