Base | Representation |
---|---|
bin | 101000110100111… |
… | …1111001010111100 |
3 | 10112110211020101210 |
4 | 1101221333022330 |
5 | 10301202224043 |
6 | 343535004420 |
7 | 45643322553 |
oct | 12151771274 |
9 | 3473736353 |
10 | 1369961148 |
11 | 6433420a6 |
12 | 322969710 |
13 | 18aa91bca |
14 | cdd32d9a |
15 | 8040e633 |
hex | 51a7f2bc |
1369961148 has 48 divisors (see below), whose sum is σ = 3246042240. Its totient is φ = 449625024.
The previous prime is 1369961137. The next prime is 1369961171. The reversal of 1369961148 is 8411699631.
It is a happy number.
It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.
It is a junction number, because it is equal to n+sod(n) for n = 1369961097 and 1369961106.
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, 313563 + ... + 317901.
It is an arithmetic number, because the mean of its divisors is an integer number (67625880).
Almost surely, 21369961148 is an apocalyptic number.
It is an amenable number.
1369961148 is an abundant number, since it is smaller than the sum of its proper divisors (1876081092).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1369961148 is a wasteful number, since it uses less digits than its factorization.
1369961148 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4746 (or 4744 counting only the distinct ones).
The product of its digits is 279936, while the sum is 48.
The square root of 1369961148 is about 37012.9862075461. The cubic root of 1369961148 is about 1110.6300424464.
It can be divided in two parts, 13699 and 61148, that added together give a palindrome (74847).
The spelling of 1369961148 in words is "one billion, three hundred sixty-nine million, nine hundred sixty-one thousand, one hundred forty-eight".
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