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150250505 = 51710916217
BaseRepresentation
bin10001111010010…
…10010000001001
3101110201111221112
420331022100021
5301431004010
622524220105
73503052056
oct1075122011
9343644845
10150250505
11778a3479
124239a635
1325188c32
1415d5202d
15d2cda05
hex8f4a409

150250505 has 16 divisors (see below), whose sum is σ = 192669840. Its totient is φ = 112084992.

The previous prime is 150250483. The next prime is 150250511. The reversal of 150250505 is 505052051.

It can be written as a sum of positive squares in 8 ways, for example, as 16801801 + 133448704 = 4099^2 + 11552^2 .

It is a cyclic number.

It is not a de Polignac number, because 150250505 - 28 = 150250249 is a prime.

It is an unprimeable number.

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, 1157 + ... + 17373.

It is an arithmetic number, because the mean of its divisors is an integer number (12041865).

Almost surely, 2150250505 is an apocalyptic number.

It is an amenable number.

150250505 is a deficient number, since it is larger than the sum of its proper divisors (42419335).

150250505 is a wasteful number, since it uses less digits than its factorization.

150250505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16348.

The product of its (nonzero) digits is 1250, while the sum is 23.

The square root of 150250505 is about 12257.6712714936. The cubic root of 150250505 is about 531.6248992956.

The spelling of 150250505 in words is "one hundred fifty million, two hundred fifty thousand, five hundred five".

Divisors: 1 5 17 85 109 545 1853 9265 16217 81085 275689 1378445 1767653 8838265 30050101 150250505