Base | Representation |
---|---|
bin | 10010000000100… |
… | …10111011000010 |
3 | 101112021021102221 |
4 | 21000102323002 |
5 | 302133304300 |
6 | 22554001254 |
7 | 3513044314 |
oct | 1100227302 |
9 | 345237387 |
10 | 151072450 |
11 | 78304a71 |
12 | 4271622a |
13 | 253b60a9 |
14 | 160c77b4 |
15 | d3e231a |
hex | 9012ec2 |
151072450 has 48 divisors (see below), whose sum is σ = 289668960. Its totient is φ = 58593920.
The previous prime is 151072433. The next prime is 151072457. The reversal of 151072450 is 54270151.
It is a Harshad number since it is a multiple of its sum of digits (25).
It is not an unprimeable number, because it can be changed into a prime (151072457) 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, 244542 + ... + 245158.
It is an arithmetic number, because the mean of its divisors is an integer number (6034770).
Almost surely, 2151072450 is an apocalyptic number.
151072450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
151072450 is a deficient number, since it is larger than the sum of its proper divisors (138596510).
151072450 is a wasteful number, since it uses less digits than its factorization.
151072450 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 771 (or 766 counting only the distinct ones).
The product of its (nonzero) digits is 1400, while the sum is 25.
The square root of 151072450 is about 12291.1533226138. The cubic root of 151072450 is about 532.5925544632.
The spelling of 151072450 in words is "one hundred fifty-one million, seventy-two thousand, four hundred fifty".
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