Base | Representation |
---|---|
bin | 1111001000101… |
… | …11001000111010 |
3 | 22211220212111020 |
4 | 13210113020322 |
5 | 230001104344 |
6 | 20333243310 |
7 | 3101151066 |
oct | 744271072 |
9 | 284825436 |
10 | 126972474 |
11 | 65744332 |
12 | 36633536 |
13 | 203c8755 |
14 | 12c12aa6 |
15 | b231719 |
hex | 791723a |
126972474 has 16 divisors (see below), whose sum is σ = 259348608. Its totient is φ = 41423552.
The previous prime is 126972467. The next prime is 126972479. The reversal of 126972474 is 474279621.
It is a super-2 number, since 2×1269724742 = 32244018307361352, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (126972479) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 224847 + ... + 225410.
It is an arithmetic number, because the mean of its divisors is an integer number (16209288).
Almost surely, 2126972474 is an apocalyptic number.
126972474 is an abundant number, since it is smaller than the sum of its proper divisors (132376134).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
126972474 is a wasteful number, since it uses less digits than its factorization.
126972474 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 450309.
The product of its digits is 169344, while the sum is 42.
The square root of 126972474 is about 11268.2063346391. The cubic root of 126972474 is about 502.6162519084.
The spelling of 126972474 in words is "one hundred twenty-six million, nine hundred seventy-two thousand, four hundred seventy-four".
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