Base | Representation |
---|---|
bin | 111100000000… |
… | …1101110010110 |
3 | 2012012112222000 |
4 | 1320001232112 |
5 | 31023324332 |
6 | 3042220130 |
7 | 531304530 |
oct | 170015626 |
9 | 65175860 |
10 | 31464342 |
11 | 16840698 |
12 | a654646 |
13 | 6698670 |
14 | 4270850 |
15 | 2b67b7c |
hex | 1e01b96 |
31464342 has 128 divisors (see below), whose sum is σ = 90854400. Its totient is φ = 7838208.
The previous prime is 31464341. The next prime is 31464359. The reversal of 31464342 is 24346413.
31464342 is a `hidden beast` number, since 3 + 14 + 643 + 4 + 2 = 666.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31464341) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 93198 + ... + 93534.
It is an arithmetic number, because the mean of its divisors is an integer number (709800).
Almost surely, 231464342 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 31464342, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45427200).
31464342 is an abundant number, since it is smaller than the sum of its proper divisors (59390058).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31464342 is a wasteful number, since it uses less digits than its factorization.
31464342 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 387 (or 381 counting only the distinct ones).
The product of its digits is 6912, while the sum is 27.
The square root of 31464342 is about 5609.3085135336. The cubic root of 31464342 is about 315.6987662371.
The spelling of 31464342 in words is "thirty-one million, four hundred sixty-four thousand, three hundred forty-two".
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