Base | Representation |
---|---|
bin | 1001000001001011… |
… | …1100111111110110 |
3 | 20020201022211101120 |
4 | 2100102330333312 |
5 | 14424221400132 |
6 | 1040120004410 |
7 | 113664130113 |
oct | 22022747766 |
9 | 6221284346 |
10 | 2420887542 |
11 | 1032589707 |
12 | 576900706 |
13 | 2c7720048 |
14 | 18d73990a |
15 | e280002c |
hex | 904bcff6 |
2420887542 has 16 divisors (see below), whose sum is σ = 4846226112. Its totient is φ = 806220680.
The previous prime is 2420887537. The next prime is 2420887561. The reversal of 2420887542 is 2457880242.
It is a junction number, because it is equal to n+sod(n) for n = 2420887494 and 2420887503.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 178368 + ... + 191459.
It is an arithmetic number, because the mean of its divisors is an integer number (302889132).
Almost surely, 22420887542 is an apocalyptic number.
2420887542 is an abundant number, since it is smaller than the sum of its proper divisors (2425338570).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2420887542 is a wasteful number, since it uses less digits than its factorization.
2420887542 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 370923.
The product of its (nonzero) digits is 286720, while the sum is 42.
The square root of 2420887542 is about 49202.5156064200. The cubic root of 2420887542 is about 1342.7387999064.
The spelling of 2420887542 in words is "two billion, four hundred twenty million, eight hundred eighty-seven thousand, five hundred forty-two".
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