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155148032 = 281346619
BaseRepresentation
bin10010011111101…
…01111100000000
3101210221100002102
421033311330000
5304204214112
623221205532
73562510424
oct1117657400
9353840072
10155148032
117a639016
1243b608a8
13261b2190
1416868b84
15d949bc2
hex93f5f00

155148032 has 36 divisors (see below), whose sum is σ = 333519480. Its totient is φ = 71605248.

The previous prime is 155148029. The next prime is 155148061. The reversal of 155148032 is 230841551.

155148032 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 = 155147986 and 155148004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19982 + ... + 26637.

It is an arithmetic number, because the mean of its divisors is an integer number (9264430).

Almost surely, 2155148032 is an apocalyptic number.

It is an amenable number.

155148032 is an abundant number, since it is smaller than the sum of its proper divisors (178371448).

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

155148032 is an equidigital number, since it uses as much as digits as its factorization.

155148032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46648 (or 46634 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 29.

The square root of 155148032 is about 12455.8432873893. The cubic root of 155148032 is about 537.3394878205.

Adding to 155148032 its reverse (230841551), we get a palindrome (385989583).

The spelling of 155148032 in words is "one hundred fifty-five million, one hundred forty-eight thousand, thirty-two".

Divisors: 1 2 4 8 13 16 26 32 52 64 104 128 208 256 416 832 1664 3328 46619 93238 186476 372952 606047 745904 1212094 1491808 2424188 2983616 4848376 5967232 9696752 11934464 19393504 38787008 77574016 155148032