Base | Representation |
---|---|
bin | 1000010111001… |
… | …01100110110000 |
3 | 11212222210212210 |
4 | 10023211212300 |
5 | 120424141410 |
6 | 10543252120 |
7 | 1511143455 |
oct | 413454660 |
9 | 155883783 |
10 | 70146480 |
11 | 366610a8 |
12 | 1b5aa040 |
13 | 116c03c1 |
14 | 945d82c |
15 | 6259220 |
hex | 42e59b0 |
70146480 has 80 divisors (see below), whose sum is σ = 228913920. Its totient is φ = 17720064.
The previous prime is 70146463. The next prime is 70146497. The reversal of 70146480 is 8464107.
It is an interprime number because it is at equal distance from previous prime (70146463) and next prime (70146497).
It is a tau number, because it is divible by the number of its divisors (80).
It is a Harshad number since it is a multiple of its sum of digits (30).
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3132 + ... + 12251.
It is an arithmetic number, because the mean of its divisors is an integer number (2861424).
Almost surely, 270146480 is an apocalyptic number.
It is an amenable number.
70146480 is an abundant number, since it is smaller than the sum of its proper divisors (158767440).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70146480 is a wasteful number, since it uses less digits than its factorization.
70146480 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15418 (or 15412 counting only the distinct ones).
The product of its (nonzero) digits is 5376, while the sum is 30.
The square root of 70146480 is about 8375.3495449444. The cubic root of 70146480 is about 412.4157991591.
The spelling of 70146480 in words is "seventy million, one hundred forty-six thousand, four hundred eighty".
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