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155133104 = 2471385117
BaseRepresentation
bin10010011111100…
…10010010110000
3101210220120121112
421033302102300
5304203224404
623221012452
73562416050
oct1117622260
9353816545
10155133104
117a628885
1243b54128
13261a8449
1416863560
15d94556e
hex93f24b0

155133104 has 20 divisors (see below), whose sum is σ = 343509264. Its totient is φ = 66485568.

The previous prime is 155133101. The next prime is 155133149. The reversal of 155133104 is 401331551.

It is a self number, because there is not a number n which added to its sum of digits gives 155133104.

It is not an unprimeable number, because it can be changed into a prime (155133101) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 692447 + ... + 692670.

Almost surely, 2155133104 is an apocalyptic number.

155133104 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

155133104 is an abundant number, since it is smaller than the sum of its proper divisors (188376160).

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

155133104 is a wasteful number, since it uses less digits than its factorization.

155133104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1385132 (or 1385126 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 155133104 is about 12455.2440361480. The cubic root of 155133104 is about 537.3222533960.

Adding to 155133104 its reverse (401331551), we get a palindrome (556464655).

The spelling of 155133104 in words is "one hundred fifty-five million, one hundred thirty-three thousand, one hundred four".

Divisors: 1 2 4 7 8 14 16 28 56 112 1385117 2770234 5540468 9695819 11080936 19391638 22161872 38783276 77566552 155133104