Base | Representation |
---|---|
bin | 1101111100111011… |
… | …1000100101001100 |
3 | 100200000021221021200 |
4 | 3133032320211030 |
5 | 30132234032230 |
6 | 1415345025500 |
7 | 161544565326 |
oct | 33716704514 |
9 | 10600257250 |
10 | 3745220940 |
11 | 1652096a1a |
12 | 886325290 |
13 | 478bc7986 |
14 | 277592616 |
15 | 16dbea160 |
hex | df3b894c |
3745220940 has 144 divisors (see below), whose sum is σ = 11678983680. Its totient is φ = 971118720.
The previous prime is 3745220851. The next prime is 3745220953. The reversal of 3745220940 is 490225473.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a junction number, because it is equal to n+sod(n) for n = 3745220895 and 3745220904.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 950775 + ... + 954705.
Almost surely, 23745220940 is an apocalyptic number.
3745220940 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 3745220940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5839491840).
3745220940 is an abundant number, since it is smaller than the sum of its proper divisors (7933762740).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3745220940 is a wasteful number, since it uses less digits than its factorization.
3745220940 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4092 (or 4087 counting only the distinct ones).
The product of its (nonzero) digits is 60480, while the sum is 36.
The square root of 3745220940 is about 61198.2102679482. The cubic root of 3745220940 is about 1552.9559879431.
The spelling of 3745220940 in words is "three billion, seven hundred forty-five million, two hundred twenty thousand, nine hundred forty".
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