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150233778 = 2381072
BaseRepresentation
bin10001111010001…
…10001010110010
3101110200200000000
420331012022302
5301424440103
622524010430
73502652232
oct1075061262
9343620000
10150233778
1177891952
1242390a16
1325181436
1415d49cc2
15d2c8aa3
hex8f462b2

150233778 has 54 divisors (see below), whose sum is σ = 341197311. Its totient is φ = 49609908.

The previous prime is 150233767. The next prime is 150233803. The reversal of 150233778 is 877332051.

It can be written as a sum of positive squares in only one way, i.e., 75116889 + 75116889 = 8667^2 + 8667^2 .

It is a tau number, because it is divible by the number of its divisors (54).

It is an ABA number since it can be written as A⋅BA, here for A=2, B=8667.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 1404001 + ... + 1404107.

Almost surely, 2150233778 is an apocalyptic number.

150233778 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 150233778

150233778 is an abundant number, since it is smaller than the sum of its proper divisors (190963533).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

150233778 is an frugal number, since it uses more digits than its factorization.

150233778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240 (or 112 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The square root of 150233778 is about 12256.9889450876. The cubic root of 150233778 is about 531.6051704219.

The spelling of 150233778 in words is "one hundred fifty million, two hundred thirty-three thousand, seven hundred seventy-eight".

Divisors: 1 2 3 6 9 18 27 54 81 107 162 214 243 321 486 642 729 963 1458 1926 2187 2889 4374 5778 6561 8667 11449 13122 17334 22898 26001 34347 52002 68694 78003 103041 156006 206082 234009 309123 468018 618246 702027 927369 1404054 1854738 2782107 5564214 8346321 16692642 25038963 50077926 75116889 150233778