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155136046 = 21341145531
BaseRepresentation
bin10010011111100…
…11000000101110
3101210220201122111
421033303000232
5304203323141
623221034234
73562430452
oct1117630056
9353821574
10155136046
117a63000a
1243b5597a
13261a98a0
1416864662
15d946381
hex93f302e

155136046 has 16 divisors (see below), whose sum is σ = 256718448. Its totient is φ = 69854400.

The previous prime is 155136043. The next prime is 155136071. The reversal of 155136046 is 640631551.

155136046 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 155135999 and 155136017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155136043) 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, 71700 + ... + 73831.

It is an arithmetic number, because the mean of its divisors is an integer number (16044903).

Almost surely, 2155136046 is an apocalyptic number.

155136046 is a deficient number, since it is larger than the sum of its proper divisors (101582402).

155136046 is a wasteful number, since it uses less digits than its factorization.

155136046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145587.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 155136046 is about 12455.3621384527. The cubic root of 155136046 is about 537.3256500320.

Adding to 155136046 its reverse (640631551), we get a palindrome (795767597).

The spelling of 155136046 in words is "one hundred fifty-five million, one hundred thirty-six thousand, forty-six".

Divisors: 1 2 13 26 41 82 533 1066 145531 291062 1891903 3783806 5966771 11933542 77568023 155136046