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150505252 = 22327111503
BaseRepresentation
bin10001111100010…
…00011100100100
3101111012110101121
420332020130210
5302012132002
622533503324
73505162552
oct1076103444
9344173347
10150505252
1177a57907
12424a1b44
1325247b81
1415dbabd2
15d32e237
hex8f88724

150505252 has 12 divisors (see below), whose sum is σ = 263487616. Its totient is φ = 75223080.

The previous prime is 150505247. The next prime is 150505259. The reversal of 150505252 is 252505051.

It is a happy number.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (150505259) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7333 + ... + 18835.

Almost surely, 2150505252 is an apocalyptic number.

It is an amenable number.

150505252 is a deficient number, since it is larger than the sum of its proper divisors (112982364).

150505252 is a wasteful number, since it uses less digits than its factorization.

150505252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14778 (or 14776 counting only the distinct ones).

The product of its (nonzero) digits is 2500, while the sum is 25.

The square root of 150505252 is about 12268.0582000576. The cubic root of 150505252 is about 531.9251831019.

It can be divided in two parts, 15050 and 5252, that added together give a palindrome (20302).

The spelling of 150505252 in words is "one hundred fifty million, five hundred five thousand, two hundred fifty-two".

Divisors: 1 2 4 3271 6542 11503 13084 23006 46012 37626313 75252626 150505252