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16155152 = 2413101769
BaseRepresentation
bin111101101000…
…001000010000
31010101202200222
4331220020100
513113431102
61334132212
7254213366
oct75501020
933352628
1016155152
119134672
1254b1068
133468380
142207636
151641aa2
hexf68210

16155152 has 40 divisors (see below), whose sum is σ = 34086360. Its totient is φ = 7372800.

The previous prime is 16155109. The next prime is 16155157. The reversal of 16155152 is 25155161.

It can be written as a sum of positive squares in 4 ways, for example, as 2876416 + 13278736 = 1696^2 + 3644^2 .

It is a super-2 number, since 2×161551522 = 521977872286208, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (16155157) 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, 20624 + ... + 21392.

It is an arithmetic number, because the mean of its divisors is an integer number (852159).

Almost surely, 216155152 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 16155152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17043180).

16155152 is an abundant number, since it is smaller than the sum of its proper divisors (17931208).

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

16155152 is a wasteful number, since it uses less digits than its factorization.

16155152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 891 (or 885 counting only the distinct ones).

The product of its digits is 1500, while the sum is 26.

The square root of 16155152 is about 4019.3472106799. The cubic root of 16155152 is about 252.7960883067.

Subtracting 16155152 from its reverse (25155161), we obtain a palindrome (9000009).

The spelling of 16155152 in words is "sixteen million, one hundred fifty-five thousand, one hundred fifty-two".

Divisors: 1 2 4 8 13 16 26 52 101 104 202 208 404 769 808 1313 1538 1616 2626 3076 5252 6152 9997 10504 12304 19994 21008 39988 77669 79976 155338 159952 310676 621352 1009697 1242704 2019394 4038788 8077576 16155152