Base | Representation |
---|---|
bin | 1001001011000… |
… | …10011111100000 |
3 | 12100210102211110 |
4 | 10211202133200 |
5 | 124144340342 |
6 | 11345143320 |
7 | 1623026325 |
oct | 445423740 |
9 | 170712743 |
10 | 76949472 |
11 | 3a488306 |
12 | 2192ab40 |
13 | 12c32a42 |
14 | a310b4c |
15 | 6b4ec9c |
hex | 49627e0 |
76949472 has 24 divisors (see below), whose sum is σ = 201992616. Its totient is φ = 25649792.
The previous prime is 76949461. The next prime is 76949479. The reversal of 76949472 is 27494967.
It is a tau number, because it is divible by the number of its divisors (24).
It is a Harshad number since it is a multiple of its sum of digits (48).
It is an alternating number because its digits alternate between odd and even.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (76949479) 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, 400683 + ... + 400874.
It is an arithmetic number, because the mean of its divisors is an integer number (8416359).
Almost surely, 276949472 is an apocalyptic number.
It is an amenable number.
76949472 is an abundant number, since it is smaller than the sum of its proper divisors (125043144).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
76949472 is a wasteful number, since it uses less digits than its factorization.
76949472 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 801570 (or 801562 counting only the distinct ones).
The product of its digits is 762048, while the sum is 48.
The square root of 76949472 is about 8772.0848149114. The cubic root of 76949472 is about 425.3390088657.
It can be divided in two parts, 76949 and 472, that added together give a triangular number (77421 = T393).
The spelling of 76949472 in words is "seventy-six million, nine hundred forty-nine thousand, four hundred seventy-two".
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