Base | Representation |
---|---|
bin | 1000110001000… |
… | …10110100011110 |
3 | 12010101100221200 |
4 | 10120202310132 |
5 | 122311333232 |
6 | 11144140330 |
7 | 1552050624 |
oct | 430426436 |
9 | 163340850 |
10 | 73542942 |
11 | 385709a0 |
12 | 207676a6 |
13 | 1230c345 |
14 | 9aa5514 |
15 | 66ca77c |
hex | 4622d1e |
73542942 has 48 divisors (see below), whose sum is σ = 176707440. Its totient is φ = 21916800.
The previous prime is 73542923. The next prime is 73542949. The reversal of 73542942 is 24924537.
73542942 is a `hidden beast` number, since 73 + 542 + 9 + 42 = 666.
It is a junction number, because it is equal to n+sod(n) for n = 73542897 and 73542906.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (73542949) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9034 + ... + 15122.
It is an arithmetic number, because the mean of its divisors is an integer number (3681405).
Almost surely, 273542942 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 73542942, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88353720).
73542942 is an abundant number, since it is smaller than the sum of its proper divisors (103164498).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
73542942 is a wasteful number, since it uses less digits than its factorization.
73542942 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6169 (or 6166 counting only the distinct ones).
The product of its digits is 60480, while the sum is 36.
The square root of 73542942 is about 8575.7181623465. The cubic root of 73542942 is about 418.9674978538.
It can be divided in two parts, 7354 and 2942, that added together give a triangular number (10296 = T143).
The spelling of 73542942 in words is "seventy-three million, five hundred forty-two thousand, nine hundred forty-two".
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