Base | Representation |
---|---|
bin | 10010000000100… |
… | …00111110011110 |
3 | 101112020212111200 |
4 | 21000100332132 |
5 | 302133030403 |
6 | 22553500330 |
7 | 3513012135 |
oct | 1100207636 |
9 | 345225450 |
10 | 151064478 |
11 | 782a9a84 |
12 | 427116a6 |
13 | 253b2586 |
14 | 160c491c |
15 | d3deca3 |
hex | 9010f9e |
151064478 has 48 divisors (see below), whose sum is σ = 345621120. Its totient is φ = 47554128.
The previous prime is 151064449. The next prime is 151064479. The reversal of 151064478 is 874460151.
It is a happy number.
151064478 is a `hidden beast` number, since 1 + 5 + 1 + 0 + 644 + 7 + 8 = 666.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (151064479) 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, 166101 + ... + 167007.
It is an arithmetic number, because the mean of its divisors is an integer number (7200440).
Almost surely, 2151064478 is an apocalyptic number.
151064478 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 151064478, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172810560).
151064478 is an abundant number, since it is smaller than the sum of its proper divisors (194556642).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
151064478 is a wasteful number, since it uses less digits than its factorization.
151064478 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1421 (or 1418 counting only the distinct ones).
The product of its (nonzero) digits is 26880, while the sum is 36.
The square root of 151064478 is about 12290.8290200458. The cubic root of 151064478 is about 532.5831861049.
The spelling of 151064478 in words is "one hundred fifty-one million, sixty-four thousand, four hundred seventy-eight".
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