Base | Representation |
---|---|
bin | 100100100110… |
… | …1110011000110 |
3 | 1100010002212222 |
4 | 1021031303012 |
5 | 14403134110 |
6 | 1523212342 |
7 | 322065233 |
oct | 111156306 |
9 | 40102788 |
10 | 19193030 |
11 | a91a00a |
12 | 65170b2 |
13 | 3c9002c |
14 | 279878a |
15 | 1a41c55 |
hex | 124dcc6 |
19193030 has 32 divisors (see below), whose sum is σ = 36073728. Its totient is φ = 7344000.
The previous prime is 19192997. The next prime is 19193039. The reversal of 19193030 is 3039191.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (19193039) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31004 + ... + 31616.
It is an arithmetic number, because the mean of its divisors is an integer number (1127304).
Almost surely, 219193030 is an apocalyptic number.
19193030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
19193030 is a deficient number, since it is larger than the sum of its proper divisors (16880698).
19193030 is a wasteful number, since it uses less digits than its factorization.
19193030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 752.
The product of its (nonzero) digits is 729, while the sum is 26.
The square root of 19193030 is about 4380.9850490500. The cubic root of 19193030 is about 267.7407736968.
The spelling of 19193030 in words is "nineteen million, one hundred ninety-three thousand, thirty".
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