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150642077 = 413674197
BaseRepresentation
bin10001111101010…
…01110110011101
3101111110102002012
420332221312131
5302031021302
622540441005
73506302505
oct1076516635
9344412065
10150642077
1178040693
1242549165
1325295231
1416014a05
15d359a52
hex8fa9d9d

150642077 has 4 divisors (see below), whose sum is σ = 154316316. Its totient is φ = 146967840.

The previous prime is 150642071. The next prime is 150642091. The reversal of 150642077 is 770246051.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 770246051 = 1037478117.

It can be written as a sum of positive squares in 2 ways, for example, as 30980356 + 119661721 = 5566^2 + 10939^2 .

It is a cyclic number.

It is not a de Polignac number, because 150642077 - 24 = 150642061 is a prime.

It is a super-3 number, since 3×1506420773 (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150642071) 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 3 ways as a sum of consecutive naturals, for example, 1837058 + ... + 1837139.

It is an arithmetic number, because the mean of its divisors is an integer number (38579079).

Almost surely, 2150642077 is an apocalyptic number.

It is an amenable number.

150642077 is a deficient number, since it is larger than the sum of its proper divisors (3674239).

150642077 is an equidigital number, since it uses as much as digits as its factorization.

150642077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3674238.

The product of its (nonzero) digits is 11760, while the sum is 32.

The square root of 150642077 is about 12273.6334066160. The cubic root of 150642077 is about 532.0863261368.

The spelling of 150642077 in words is "one hundred fifty million, six hundred forty-two thousand, seventy-seven".

Divisors: 1 41 3674197 150642077