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149506593 = 31371392617
BaseRepresentation
bin10001110100101…
…00101000100001
3101102022201111020
420322110220201
5301233202333
622500240053
73463533165
oct1072245041
9342281436
10149506593
1177435575
12420a0029
1324c88452
1415bdaca5
15d1d33b3
hex8e94a21

149506593 has 16 divisors (see below), whose sum is σ = 202319040. Its totient is φ = 98194176.

The previous prime is 149506589. The next prime is 149506597. The reversal of 149506593 is 395605941.

It is an interprime number because it is at equal distance from previous prime (149506589) and next prime (149506597).

It is not a de Polignac number, because 149506593 - 22 = 149506589 is a prime.

It is not an unprimeable number, because it can be changed into a prime (149506597) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55821 + ... + 58437.

It is an arithmetic number, because the mean of its divisors is an integer number (12644940).

Almost surely, 2149506593 is an apocalyptic number.

It is an amenable number.

149506593 is a deficient number, since it is larger than the sum of its proper divisors (52812447).

149506593 is a wasteful number, since it uses less digits than its factorization.

149506593 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2896.

The product of its (nonzero) digits is 145800, while the sum is 42.

The square root of 149506593 is about 12227.2888654844. The cubic root of 149506593 is about 530.7460633369.

The spelling of 149506593 in words is "one hundred forty-nine million, five hundred six thousand, five hundred ninety-three".

Divisors: 1 3 137 139 411 417 2617 7851 19043 57129 358529 363763 1075587 1091289 49835531 149506593