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150814221 = 3100949823
BaseRepresentation
bin10001111110100…
…11111000001101
3101111210011012220
420333103320031
5302102023341
622544245553
73510620415
oct1077237015
9344704186
10150814221
1178148a58
12426108b9
13253256ac
141605b645
15d390a66
hex8fd3e0d

150814221 has 8 divisors (see below), whose sum is σ = 201288960. Its totient is φ = 100441152.

The previous prime is 150814199. The next prime is 150814249. The reversal of 150814221 is 122418051.

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

It is not a de Polignac number, because 150814221 - 27 = 150814093 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 150814191 and 150814200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150814271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21885 + ... + 27938.

It is an arithmetic number, because the mean of its divisors is an integer number (25161120).

Almost surely, 2150814221 is an apocalyptic number.

It is an amenable number.

150814221 is a deficient number, since it is larger than the sum of its proper divisors (50474739).

150814221 is a wasteful number, since it uses less digits than its factorization.

150814221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50835.

The product of its (nonzero) digits is 640, while the sum is 24.

The square root of 150814221 is about 12280.6441606294. The cubic root of 150814221 is about 532.2889269035.

The spelling of 150814221 in words is "one hundred fifty million, eight hundred fourteen thousand, two hundred twenty-one".

Divisors: 1 3 1009 3027 49823 149469 50271407 150814221