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150355021 = 1747188179
BaseRepresentation
bin10001111011000…
…11110001001101
3101110220211022111
420331203301031
5301442330041
622530344021
73503665555
oct1075436115
9343824274
10150355021
1177964a53
124242b011
13251c468b
1415d7c165
15d2ee981
hex8f63c4d

150355021 has 8 divisors (see below), whose sum is σ = 162587520. Its totient is φ = 138499008.

The previous prime is 150355003. The next prime is 150355027. The reversal of 150355021 is 120553051.

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

It is a cyclic number.

It is not a de Polignac number, because 150355021 - 211 = 150352973 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 150354983 and 150355001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150355027) 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, 93291 + ... + 94888.

It is an arithmetic number, because the mean of its divisors is an integer number (20323440).

Almost surely, 2150355021 is an apocalyptic number.

It is an amenable number.

150355021 is a deficient number, since it is larger than the sum of its proper divisors (12232499).

150355021 is a wasteful number, since it uses less digits than its factorization.

150355021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188243.

The product of its (nonzero) digits is 750, while the sum is 22.

The square root of 150355021 is about 12261.9338197529. The cubic root of 150355021 is about 531.7481388802.

The spelling of 150355021 in words is "one hundred fifty million, three hundred fifty-five thousand, twenty-one".

Divisors: 1 17 47 799 188179 3199043 8844413 150355021