Base | Representation |
---|---|
bin | 100100001100011… |
… | …0000111100011000 |
3 | 10010122012112020110 |
4 | 1020120300330120 |
5 | 4441344421410 |
6 | 320301524320 |
7 | 42044444604 |
oct | 11030607430 |
9 | 3118175213 |
10 | 1214451480 |
11 | 573587410 |
12 | 29a8736a0 |
13 | 1647b4258 |
14 | b7412504 |
15 | 71942720 |
hex | 48630f18 |
1214451480 has 64 divisors (see below), whose sum is σ = 3974572800. Its totient is φ = 294412160.
The previous prime is 1214451467. The next prime is 1214451499. The reversal of 1214451480 is 841544121.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 458700 + ... + 461339.
It is an arithmetic number, because the mean of its divisors is an integer number (62102700).
Almost surely, 21214451480 is an apocalyptic number.
1214451480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1214451480 is an abundant number, since it is smaller than the sum of its proper divisors (2760121320).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1214451480 is a wasteful number, since it uses less digits than its factorization.
1214451480 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 920064 (or 920060 counting only the distinct ones).
The product of its (nonzero) digits is 5120, while the sum is 30.
The square root of 1214451480 is about 34848.9810467968. The cubic root of 1214451480 is about 1066.9073888128.
The spelling of 1214451480 in words is "one billion, two hundred fourteen million, four hundred fifty-one thousand, four hundred eighty".
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