Base | Representation |
---|---|
bin | 10010000100111… |
… | …01100101010001 |
3 | 101120100010112011 |
4 | 21002131211101 |
5 | 302304443101 |
6 | 23014102521 |
7 | 3520631203 |
oct | 1102354521 |
9 | 346303464 |
10 | 151640401 |
11 | 78662750 |
12 | 4294aa41 |
13 | 25554763 |
14 | 161d4773 |
15 | d4a5751 |
hex | 909d951 |
151640401 has 4 divisors (see below), whose sum is σ = 165425904. Its totient is φ = 137854900.
The previous prime is 151640399. The next prime is 151640417. The reversal of 151640401 is 104046151.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 151640401 - 21 = 151640399 is a prime.
It is a super-2 number, since 2×1516404012 = 45989622430881602, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (151640201) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6892735 + ... + 6892756.
It is an arithmetic number, because the mean of its divisors is an integer number (41356476).
Almost surely, 2151640401 is an apocalyptic number.
151640401 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
151640401 is a deficient number, since it is larger than the sum of its proper divisors (13785503).
151640401 is a wasteful number, since it uses less digits than its factorization.
151640401 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13785502.
The product of its (nonzero) digits is 480, while the sum is 22.
The square root of 151640401 is about 12314.2357050692. The cubic root of 151640401 is about 533.2591401567.
Adding to 151640401 its reverse (104046151), we get a palindrome (255686552).
The spelling of 151640401 in words is "one hundred fifty-one million, six hundred forty thousand, four hundred one".
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