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149400501 = 3311606457
BaseRepresentation
bin10001110011110…
…10101110110101
3101102010022221220
420321322232311
5301221304001
622454100553
73462611655
oct1071725665
9342108856
10149400501
1177372898
124204a759
1324c4c083
1415bb0365
15d1b1c36
hex8e7abb5

149400501 has 8 divisors (see below), whose sum is σ = 205626624. Its totient is φ = 96387360.

The previous prime is 149400463. The next prime is 149400509. The reversal of 149400501 is 105004941.

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

It is not a de Polignac number, because 149400501 - 210 = 149399477 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149400509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 803136 + ... + 803321.

It is an arithmetic number, because the mean of its divisors is an integer number (25703328).

Almost surely, 2149400501 is an apocalyptic number.

It is an amenable number.

149400501 is a deficient number, since it is larger than the sum of its proper divisors (56226123).

149400501 is a wasteful number, since it uses less digits than its factorization.

149400501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1606491.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 149400501 is about 12222.9497667298. The cubic root of 149400501 is about 530.6204919838.

The spelling of 149400501 in words is "one hundred forty-nine million, four hundred thousand, five hundred one".

Divisors: 1 3 31 93 1606457 4819371 49800167 149400501