Base | Representation |
---|---|
bin | 10010011111101… |
… | …10111001000000 |
3 | 101210221112110000 |
4 | 21033312321000 |
5 | 304204330221 |
6 | 23221240000 |
7 | 3562525002 |
oct | 1117667100 |
9 | 353845400 |
10 | 155151936 |
11 | 7a640a45 |
12 | 43b63000 |
13 | 261b3ba4 |
14 | 1686a372 |
15 | d94ae26 |
hex | 93f6e40 |
155151936 has 105 divisors (see below), whose sum is σ = 462592801. Its totient is φ = 51418368.
The previous prime is 155151923. The next prime is 155151949. The reversal of 155151936 is 639151551.
The square root of 155151936 is 12456.
It is a perfect power (a square), and thus also a powerful number.
155151936 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (155151923) and next prime (155151949).
It can be written as a sum of positive squares in only one way, i.e., 141134400 + 14017536 = 11880^2 + 3744^2 .
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 155151936.
It is an unprimeable number.
It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 896746 + ... + 896918.
Almost surely, 2155151936 is an apocalyptic number.
155151936 is a gapful number since it is divisible by the number (16) formed by its first and last digit.
155151936 is the 12456-th square number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 155151936
155151936 is an abundant number, since it is smaller than the sum of its proper divisors (307440865).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
155151936 is an frugal number, since it uses more digits than its factorization.
155151936 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 370 (or 178 counting only the distinct ones).
The product of its digits is 20250, while the sum is 36.
The cubic root of 155151936 is about 537.3439948188.
Multiplying 155151936 by its sum of digits (36), we get a square (5585469696 = 747362).
155151936 divided by its sum of digits (36) gives a square (4309776 = 20762).
The spelling of 155151936 in words is "one hundred fifty-five million, one hundred fifty-one thousand, nine hundred thirty-six".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.099 sec. • engine limits •