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156345532 = 2271721392
BaseRepresentation
bin10010101000110…
…10010010111100
3101220012011202021
421110122102330
5310011024112
623303005524
73605625610
oct1124322274
9356164667
10156345532
1180286792
12444398a4
1326511265
1416a9b340
15dad4907
hex951a4bc

156345532 has 54 divisors (see below), whose sum is σ = 334573512. Its totient is φ = 62610048.

The previous prime is 156345491. The next prime is 156345571. The reversal of 156345532 is 235543651.

156345532 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is an unprimeable number.

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 17 ways as a sum of consecutive naturals, for example, 1124719 + ... + 1124857.

Almost surely, 2156345532 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 156345532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (167286756).

156345532 is an abundant number, since it is smaller than the sum of its proper divisors (178227980).

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

156345532 is a wasteful number, since it uses less digits than its factorization.

156345532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323 (or 165 counting only the distinct ones).

The product of its digits is 54000, while the sum is 34.

The square root of 156345532 is about 12503.8206960913. The cubic root of 156345532 is about 538.7184194536.

The spelling of 156345532 in words is "one hundred fifty-six million, three hundred forty-five thousand, five hundred thirty-two".

Divisors: 1 2 4 7 14 17 28 34 68 119 139 238 278 289 476 556 578 973 1156 1946 2023 2363 3892 4046 4726 8092 9452 16541 19321 33082 38642 40171 66164 77284 80342 135247 160684 270494 281197 328457 540988 562394 656914 1124788 1313828 2299199 4598398 5583769 9196796 11167538 22335076 39086383 78172766 156345532