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150122420 = 22571956437
BaseRepresentation
bin10001111001010…
…10111110110100
3101110111000020122
420330222332310
5301412404140
622521351112
73502006460
oct1074527664
9343430218
10150122420
1177816218
1242338498
1325142846
1415d1b4a0
15d2a5ab5
hex8f2afb4

150122420 has 48 divisors (see below), whose sum is σ = 379263360. Its totient is φ = 48760704.

The previous prime is 150122419. The next prime is 150122437. The reversal of 150122420 is 24221051.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25559 + ... + 30878.

It is an arithmetic number, because the mean of its divisors is an integer number (7901320).

Almost surely, 2150122420 is an apocalyptic number.

150122420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

150122420 is an abundant number, since it is smaller than the sum of its proper divisors (229140940).

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

150122420 is a wasteful number, since it uses less digits than its factorization.

150122420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56472 (or 56470 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 150122420 is about 12252.4454701908. The cubic root of 150122420 is about 531.4737904665.

Adding to 150122420 its reverse (24221051), we get a palindrome (174343471).

The spelling of 150122420 in words is "one hundred fifty million, one hundred twenty-two thousand, four hundred twenty".

Divisors: 1 2 4 5 7 10 14 19 20 28 35 38 70 76 95 133 140 190 266 380 532 665 1330 2660 56437 112874 225748 282185 395059 564370 790118 1072303 1128740 1580236 1975295 2144606 3950590 4289212 5361515 7506121 7901180 10723030 15012242 21446060 30024484 37530605 75061210 150122420