Base | Representation |
---|---|
bin | 10111111010010… |
… | …001100000011111 |
3 | 1000221211122010122 |
4 | 113322101200133 |
5 | 1310143331111 |
6 | 103450025155 |
7 | 12640510310 |
oct | 2772214037 |
9 | 1027748118 |
10 | 401152031 |
11 | 196492505 |
12 | b24181bb |
13 | 65155a87 |
14 | 3b3c4607 |
15 | 2533ecdb |
hex | 17e9181f |
401152031 has 16 divisors (see below), whose sum is σ = 474802944. Its totient is φ = 331781184.
The previous prime is 401152007. The next prime is 401152049. The reversal of 401152031 is 130251104.
401152031 = T4298 + T4299 + ... + T4340.
It is not a de Polignac number, because 401152031 - 226 = 334043167 is a prime.
It is a super-2 number, since 2×4011520312 = 321845903950849922, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (401152061) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16955 + ... + 33011.
It is an arithmetic number, because the mean of its divisors is an integer number (29675184).
Almost surely, 2401152031 is an apocalyptic number.
401152031 is a deficient number, since it is larger than the sum of its proper divisors (73650913).
401152031 is a wasteful number, since it uses less digits than its factorization.
401152031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16190.
The product of its (nonzero) digits is 120, while the sum is 17.
The square root of 401152031 is about 20028.7800676926. The cubic root of 401152031 is about 737.5129748172.
The spelling of 401152031 in words is "four hundred one million, one hundred fifty-two thousand, thirty-one".
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