Base | Representation |
---|---|
bin | 1100110111001… |
… | …1101000010101 |
3 | 10202111222212002 |
4 | 3031303220111 |
5 | 102302412442 |
6 | 5204205045 |
7 | 1223401352 |
oct | 315635025 |
9 | 122458762 |
10 | 53950997 |
11 | 284aa201 |
12 | 16099785 |
13 | b23c889 |
14 | 7245629 |
15 | 4b0a732 |
hex | 3373a15 |
53950997 has 4 divisors (see below), whose sum is σ = 54375936. Its totient is φ = 53526060.
The previous prime is 53950993. The next prime is 53951021. The reversal of 53950997 is 79905935.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 53950997 - 22 = 53950993 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (53950993) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 212279 + ... + 212532.
It is an arithmetic number, because the mean of its divisors is an integer number (13593984).
Almost surely, 253950997 is an apocalyptic number.
It is an amenable number.
53950997 is a deficient number, since it is larger than the sum of its proper divisors (424939).
53950997 is a wasteful number, since it uses less digits than its factorization.
53950997 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 424938.
The product of its (nonzero) digits is 382725, while the sum is 47.
The square root of 53950997 is about 7345.1342397536. The cubic root of 53950997 is about 377.8619471977.
The spelling of 53950997 in words is "fifty-three million, nine hundred fifty thousand, nine hundred ninety-seven".
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